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Finding the Fourth Proportional to 59,781.17, 89,450.24 and 43,997.87

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Solution

The fourth proportional to 59,781.17, 89,450.24 and 43,997.87 is: 65,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,781.17 : 89,450.24 = 43,997.87 : x
  2. Step 2: Convert to fraction form
    59,781.17/89,450.24 = 43,997.87/x
  3. Step 3: Cross multiply
    59,781.17x = 89,450.24 × 43,997.87
  4. Step 4: Simplify right side
    59,781.17x = 3,935,619,363.75
  5. Step 5: Solve for x
    x = 3,935,619,363.75/59,781.17
  6. Step 6: Final answer
    x = 65,833.77

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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.