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Finding the Fourth Proportional to 62,406.40, 93,609.60 and 44,691.70

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Solution

The fourth proportional to 62,406.40, 93,609.60 and 44,691.70 is: 67,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,406.40 : 93,609.60 = 44,691.70 : x
  2. Step 2: Convert to fraction form
    62,406.40/93,609.60 = 44,691.70/x
  3. Step 3: Cross multiply
    62,406.40x = 93,609.60 × 44,691.70
  4. Step 4: Simplify right side
    62,406.40x = 4,183,572,160.32
  5. Step 5: Solve for x
    x = 4,183,572,160.32/62,406.40
  6. Step 6: Final answer
    x = 67,037.55

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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.