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Finding the Fourth Proportional to 22,726.62, 31,360.50 and 12,654.68

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Solution

The fourth proportional to 22,726.62, 31,360.50 and 12,654.68 is: 17,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,726.62 : 31,360.50 = 12,654.68 : x
  2. Step 2: Convert to fraction form
    22,726.62/31,360.50 = 12,654.68/x
  3. Step 3: Cross multiply
    22,726.62x = 31,360.50 × 12,654.68
  4. Step 4: Simplify right side
    22,726.62x = 396,856,935.34
  5. Step 5: Solve for x
    x = 396,856,935.34/22,726.62
  6. Step 6: Final answer
    x = 17,462.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.