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Finding the Fourth Proportional to 41,640.18, 62,406.60 and 36,281.64

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Solution

The fourth proportional to 41,640.18, 62,406.60 and 36,281.64 is: 54,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,640.18 : 62,406.60 = 36,281.64 : x
  2. Step 2: Convert to fraction form
    41,640.18/62,406.60 = 36,281.64/x
  3. Step 3: Cross multiply
    41,640.18x = 62,406.60 × 36,281.64
  4. Step 4: Simplify right side
    41,640.18x = 2,264,213,794.82
  5. Step 5: Solve for x
    x = 2,264,213,794.82/41,640.18
  6. Step 6: Final answer
    x = 54,375.70

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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.