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If the mean is 71.5 and three of the numbers are 58, 76, 88 what is the fourth number

If the mean is 71.5 and three of the numbers are 58, 76, 88 what is the fourth number
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If the mean is 71.5 and three of the numbers are 58, 76, 88 what is the fourth number

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User Frikster
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(58+76+88+x)/4=71.5
(58+76+88+x)=286
x=286-(58+76+88)=64
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User Theiaz
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