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Finding the Fourth Proportional to 36,073.74, 54,115.71 and 11,115.82

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Solution

The fourth proportional to 36,073.74, 54,115.71 and 11,115.82 is: 16,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,073.74 : 54,115.71 = 11,115.82 : x
  2. Step 2: Convert to fraction form
    36,073.74/54,115.71 = 11,115.82/x
  3. Step 3: Cross multiply
    36,073.74x = 54,115.71 × 11,115.82
  4. Step 4: Simplify right side
    36,073.74x = 601,540,491.53
  5. Step 5: Solve for x
    x = 601,540,491.53/36,073.74
  6. Step 6: Final answer
    x = 16,675.30

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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.