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Finding the Fourth Proportional to 53,757.80, 80,530.24 and 36,849.20

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Solution

The fourth proportional to 53,757.80, 80,530.24 and 36,849.20 is: 55,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,757.80 : 80,530.24 = 36,849.20 : x
  2. Step 2: Convert to fraction form
    53,757.80/80,530.24 = 36,849.20/x
  3. Step 3: Cross multiply
    53,757.80x = 80,530.24 × 36,849.20
  4. Step 4: Simplify right side
    53,757.80x = 2,967,474,919.81
  5. Step 5: Solve for x
    x = 2,967,474,919.81/53,757.80
  6. Step 6: Final answer
    x = 55,200.83

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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.