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Finding the Fourth Proportional to 62,491.87, 86,149.02 and 44,555.77

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Solution

The fourth proportional to 62,491.87, 86,149.02 and 44,555.77 is: 61,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,491.87 : 86,149.02 = 44,555.77 : x
  2. Step 2: Convert to fraction form
    62,491.87/86,149.02 = 44,555.77/x
  3. Step 3: Cross multiply
    62,491.87x = 86,149.02 × 44,555.77
  4. Step 4: Simplify right side
    62,491.87x = 3,838,435,920.85
  5. Step 5: Solve for x
    x = 3,838,435,920.85/62,491.87
  6. Step 6: Final answer
    x = 61,422.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.