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Finding the Fourth Proportional to 29.38, 44.01 and 15.85

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Solution

The fourth proportional to 29.38, 44.01 and 15.85 is: 23.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.38 : 44.01 = 15.85 : x
  2. Step 2: Convert to fraction form
    29.38/44.01 = 15.85/x
  3. Step 3: Cross multiply
    29.38x = 44.01 × 15.85
  4. Step 4: Simplify right side
    29.38x = 697.56
  5. Step 5: Solve for x
    x = 697.56/29.38
  6. Step 6: Final answer
    x = 23.74

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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.