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Finding the Fourth Proportional to 48,504.80, 72,757.20 and 27,423.20

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Solution

The fourth proportional to 48,504.80, 72,757.20 and 27,423.20 is: 41,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,504.80 : 72,757.20 = 27,423.20 : x
  2. Step 2: Convert to fraction form
    48,504.80/72,757.20 = 27,423.20/x
  3. Step 3: Cross multiply
    48,504.80x = 72,757.20 × 27,423.20
  4. Step 4: Simplify right side
    48,504.80x = 1,995,235,247.04
  5. Step 5: Solve for x
    x = 1,995,235,247.04/48,504.80
  6. Step 6: Final answer
    x = 41,134.80

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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.