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Finding the Fourth Proportional to 59,404.74, 89,107.11 and 19,961.97

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Solution

The fourth proportional to 59,404.74, 89,107.11 and 19,961.97 is: 29,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,404.74 : 89,107.11 = 19,961.97 : x
  2. Step 2: Convert to fraction form
    59,404.74/89,107.11 = 19,961.97/x
  3. Step 3: Cross multiply
    59,404.74x = 89,107.11 × 19,961.97
  4. Step 4: Simplify right side
    59,404.74x = 1,778,753,456.61
  5. Step 5: Solve for x
    x = 1,778,753,456.61/59,404.74
  6. Step 6: Final answer
    x = 29,942.96

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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.