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Finding the Fourth Proportional to 31,937.52, 44,073.84 and 18,511.36

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Solution

The fourth proportional to 31,937.52, 44,073.84 and 18,511.36 is: 25,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.52 : 44,073.84 = 18,511.36 : x
  2. Step 2: Convert to fraction form
    31,937.52/44,073.84 = 18,511.36/x
  3. Step 3: Cross multiply
    31,937.52x = 44,073.84 × 18,511.36
  4. Step 4: Simplify right side
    31,937.52x = 815,866,718.82
  5. Step 5: Solve for x
    x = 815,866,718.82/31,937.52
  6. Step 6: Final answer
    x = 25,545.71

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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.