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Finding the Fourth Proportional to 36,758.81, 55,021.17 and 29,279.27

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Solution

The fourth proportional to 36,758.81, 55,021.17 and 29,279.27 is: 43,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758.81 : 55,021.17 = 29,279.27 : x
  2. Step 2: Convert to fraction form
    36,758.81/55,021.17 = 29,279.27/x
  3. Step 3: Cross multiply
    36,758.81x = 55,021.17 × 29,279.27
  4. Step 4: Simplify right side
    36,758.81x = 1,610,979,692.15
  5. Step 5: Solve for x
    x = 1,610,979,692.15/36,758.81
  6. Step 6: Final answer
    x = 43,825.68

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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.