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Finding the Fourth Proportional to 36,073.80, 54,115.84 and 11,115.88

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Solution

The fourth proportional to 36,073.80, 54,115.84 and 11,115.88 is: 16,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,073.80 : 54,115.84 = 11,115.88 : x
  2. Step 2: Convert to fraction form
    36,073.80/54,115.84 = 11,115.88/x
  3. Step 3: Cross multiply
    36,073.80x = 54,115.84 × 11,115.88
  4. Step 4: Simplify right side
    36,073.80x = 601,545,183.54
  5. Step 5: Solve for x
    x = 601,545,183.54/36,073.80
  6. Step 6: Final answer
    x = 16,675.40

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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.