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Finding the Fourth Proportional to 62,500.82, 93,761.00 and 20,371.11

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Solution

The fourth proportional to 62,500.82, 93,761.00 and 20,371.11 is: 30,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,500.82 : 93,761.00 = 20,371.11 : x
  2. Step 2: Convert to fraction form
    62,500.82/93,761.00 = 20,371.11/x
  3. Step 3: Cross multiply
    62,500.82x = 93,761.00 × 20,371.11
  4. Step 4: Simplify right side
    62,500.82x = 1,910,015,542.85
  5. Step 5: Solve for x
    x = 1,910,015,542.85/62,500.82
  6. Step 6: Final answer
    x = 30,559.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.