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Finding the Fourth Proportional to 60,487.01, 90,737.81 and 25,422.11

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Solution

The fourth proportional to 60,487.01, 90,737.81 and 25,422.11 is: 38,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,487.01 : 90,737.81 = 25,422.11 : x
  2. Step 2: Convert to fraction form
    60,487.01/90,737.81 = 25,422.11/x
  3. Step 3: Cross multiply
    60,487.01x = 90,737.81 × 25,422.11
  4. Step 4: Simplify right side
    60,487.01x = 2,306,746,586.98
  5. Step 5: Solve for x
    x = 2,306,746,586.98/60,487.01
  6. Step 6: Final answer
    x = 38,136.23

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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.