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Finding the Fourth Proportional to 41,898.09, 62,834.84 and 12,308.90

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Solution

The fourth proportional to 41,898.09, 62,834.84 and 12,308.90 is: 18,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,898.09 : 62,834.84 = 12,308.90 : x
  2. Step 2: Convert to fraction form
    41,898.09/62,834.84 = 12,308.90/x
  3. Step 3: Cross multiply
    41,898.09x = 62,834.84 × 12,308.90
  4. Step 4: Simplify right side
    41,898.09x = 773,427,432.52
  5. Step 5: Solve for x
    x = 773,427,432.52/41,898.09
  6. Step 6: Final answer
    x = 18,459.73

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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.