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Finding the Fourth Proportional to 5,987,744.80, 8,981,617.20 and 4,098,176.80

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Solution

The fourth proportional to 5,987,744.80, 8,981,617.20 and 4,098,176.80 is: 6,147,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987,744.80 : 8,981,617.20 = 4,098,176.80 : x
  2. Step 2: Convert to fraction form
    5,987,744.80/8,981,617.20 = 4,098,176.80/x
  3. Step 3: Cross multiply
    5,987,744.80x = 8,981,617.20 × 4,098,176.80
  4. Step 4: Simplify right side
    5,987,744.80x = 36,808,255,235,520.95
  5. Step 5: Solve for x
    x = 36,808,255,235,520.95/5,987,744.80
  6. Step 6: Final answer
    x = 6,147,265.20

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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.