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Finding the Fourth Proportional to 36,375.03, 54,572.04 and 11,415.87

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Solution

The fourth proportional to 36,375.03, 54,572.04 and 11,415.87 is: 17,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,375.03 : 54,572.04 = 11,415.87 : x
  2. Step 2: Convert to fraction form
    36,375.03/54,572.04 = 11,415.87/x
  3. Step 3: Cross multiply
    36,375.03x = 54,572.04 × 11,415.87
  4. Step 4: Simplify right side
    36,375.03x = 622,987,314.27
  5. Step 5: Solve for x
    x = 622,987,314.27/36,375.03
  6. Step 6: Final answer
    x = 17,126.78

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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.