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Finding the Fourth Proportional to 62,491.92, 93,675.57 and 40,320.87

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Solution

The fourth proportional to 62,491.92, 93,675.57 and 40,320.87 is: 60,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,491.92 : 93,675.57 = 40,320.87 : x
  2. Step 2: Convert to fraction form
    62,491.92/93,675.57 = 40,320.87/x
  3. Step 3: Cross multiply
    62,491.92x = 93,675.57 × 40,320.87
  4. Step 4: Simplify right side
    62,491.92x = 3,777,080,480.15
  5. Step 5: Solve for x
    x = 3,777,080,480.15/62,491.92
  6. Step 6: Final answer
    x = 60,441.10

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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.