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Finding the Fourth Proportional to 41,627.20, 62,440.80 and 36,815.80

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Solution

The fourth proportional to 41,627.20, 62,440.80 and 36,815.80 is: 55,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,627.20 : 62,440.80 = 36,815.80 : x
  2. Step 2: Convert to fraction form
    41,627.20/62,440.80 = 36,815.80/x
  3. Step 3: Cross multiply
    41,627.20x = 62,440.80 × 36,815.80
  4. Step 4: Simplify right side
    41,627.20x = 2,298,808,004.64
  5. Step 5: Solve for x
    x = 2,298,808,004.64/41,627.20
  6. Step 6: Final answer
    x = 55,223.70

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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.