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Quantitative Aptitude

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Example 4: Finding a missing term

Last Updated On: Fri Aug 28 2026

Question

If 7:9 = x:45, find x.

Solution

  1. Write the proportion as 7/9 = x/45.
  2. Cross multiply: 9x = 7 x 45 = 315.
  3. x = 315/9 = 35.
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