Answer
$x=63$
Work Step by Step
We are given the proportion $\frac{49}{x}=\frac{14}{18}$. We can set the cross products equal to each other and solve for the unknown variable.
$49\times18=x\times14$
$882=14x$
Divide both sides by 14.
$x=63$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 5 - Ratio and Proportion - 5.4 Solving Problems - 5.4 Exercises - Page 356: 10
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