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Finding the Fourth Proportional to 31,892.69, 44,017.31 and 18,472.11

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Solution

The fourth proportional to 31,892.69, 44,017.31 and 18,472.11 is: 25,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892.69 : 44,017.31 = 18,472.11 : x
  2. Step 2: Convert to fraction form
    31,892.69/44,017.31 = 18,472.11/x
  3. Step 3: Cross multiply
    31,892.69x = 44,017.31 × 18,472.11
  4. Step 4: Simplify right side
    31,892.69x = 813,092,473.34
  5. Step 5: Solve for x
    x = 813,092,473.34/31,892.69
  6. Step 6: Final answer
    x = 25,494.63

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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.