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Finding the Fourth Proportional to 41,896.92, 62,847.71 and 13,815.84

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Solution

The fourth proportional to 41,896.92, 62,847.71 and 13,815.84 is: 20,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,896.92 : 62,847.71 = 13,815.84 : x
  2. Step 2: Convert to fraction form
    41,896.92/62,847.71 = 13,815.84/x
  3. Step 3: Cross multiply
    41,896.92x = 62,847.71 × 13,815.84
  4. Step 4: Simplify right side
    41,896.92x = 868,293,905.73
  5. Step 5: Solve for x
    x = 868,293,905.73/41,896.92
  6. Step 6: Final answer
    x = 20,724.53

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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.