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Finding the Fourth Proportional to 41,880.62, 62,778.85 and 20,788.22

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Solution

The fourth proportional to 41,880.62, 62,778.85 and 20,788.22 is: 31,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,880.62 : 62,778.85 = 20,788.22 : x
  2. Step 2: Convert to fraction form
    41,880.62/62,778.85 = 20,788.22/x
  3. Step 3: Cross multiply
    41,880.62x = 62,778.85 × 20,788.22
  4. Step 4: Simplify right side
    41,880.62x = 1,305,060,650.12
  5. Step 5: Solve for x
    x = 1,305,060,650.12/41,880.62
  6. Step 6: Final answer
    x = 31,161.44

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1.5x scale

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.