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Finding the Fourth Proportional to 41,767.80, 62,658.72 and 20,708.88

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Solution

The fourth proportional to 41,767.80, 62,658.72 and 20,708.88 is: 31,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,767.80 : 62,658.72 = 20,708.88 : x
  2. Step 2: Convert to fraction form
    41,767.80/62,658.72 = 20,708.88/x
  3. Step 3: Cross multiply
    41,767.80x = 62,658.72 × 20,708.88
  4. Step 4: Simplify right side
    41,767.80x = 1,297,591,913.43
  5. Step 5: Solve for x
    x = 1,297,591,913.43/41,767.80
  6. Step 6: Final answer
    x = 31,066.80

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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.