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Finding the Fourth Proportional to 41,200.80, 61,793.10 and 13,498.80

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Solution

The fourth proportional to 41,200.80, 61,793.10 and 13,498.80 is: 20,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,200.80 : 61,793.10 = 13,498.80 : x
  2. Step 2: Convert to fraction form
    41,200.80/61,793.10 = 13,498.80/x
  3. Step 3: Cross multiply
    41,200.80x = 61,793.10 × 13,498.80
  4. Step 4: Simplify right side
    41,200.80x = 834,132,698.28
  5. Step 5: Solve for x
    x = 834,132,698.28/41,200.80
  6. Step 6: Final answer
    x = 20,245.55

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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.