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Finding the Fourth Proportional to 41,620.40, 62,488.20 and 32,865.20

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Solution

The fourth proportional to 41,620.40, 62,488.20 and 32,865.20 is: 49,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,620.40 : 62,488.20 = 32,865.20 : x
  2. Step 2: Convert to fraction form
    41,620.40/62,488.20 = 32,865.20/x
  3. Step 3: Cross multiply
    41,620.40x = 62,488.20 × 32,865.20
  4. Step 4: Simplify right side
    41,620.40x = 2,053,687,190.64
  5. Step 5: Solve for x
    x = 2,053,687,190.64/41,620.40
  6. Step 6: Final answer
    x = 49,343.28

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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.