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Finding the Fourth Proportional to 56,399.87, 84,608.31 and 24,387.70

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Solution

The fourth proportional to 56,399.87, 84,608.31 and 24,387.70 is: 36,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,399.87 : 84,608.31 = 24,387.70 : x
  2. Step 2: Convert to fraction form
    56,399.87/84,608.31 = 24,387.70/x
  3. Step 3: Cross multiply
    56,399.87x = 84,608.31 × 24,387.70
  4. Step 4: Simplify right side
    56,399.87x = 2,063,401,959.85
  5. Step 5: Solve for x
    x = 2,063,401,959.85/56,399.87
  6. Step 6: Final answer
    x = 36,585.23

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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.