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Finding the Fourth Proportional to 59,916.52, 89,874.81 and 20,474.02

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Solution

The fourth proportional to 59,916.52, 89,874.81 and 20,474.02 is: 30,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,916.52 : 89,874.81 = 20,474.02 : x
  2. Step 2: Convert to fraction form
    59,916.52/89,874.81 = 20,474.02/x
  3. Step 3: Cross multiply
    59,916.52x = 89,874.81 × 20,474.02
  4. Step 4: Simplify right side
    59,916.52x = 1,840,098,657.44
  5. Step 5: Solve for x
    x = 1,840,098,657.44/59,916.52
  6. Step 6: Final answer
    x = 30,711.04

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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.