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Finding the Fourth Proportional to 29.38, 44.07 and 13.36

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Solution

The fourth proportional to 29.38, 44.07 and 13.36 is: 20.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.38 : 44.07 = 13.36 : x
  2. Step 2: Convert to fraction form
    29.38/44.07 = 13.36/x
  3. Step 3: Cross multiply
    29.38x = 44.07 × 13.36
  4. Step 4: Simplify right side
    29.38x = 588.78
  5. Step 5: Solve for x
    x = 588.78/29.38
  6. Step 6: Final answer
    x = 20.04

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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.