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Finding the Fourth Proportional to 29.44, 44.17 and 13.42

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Solution

The fourth proportional to 29.44, 44.17 and 13.42 is: 20.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.44 : 44.17 = 13.42 : x
  2. Step 2: Convert to fraction form
    29.44/44.17 = 13.42/x
  3. Step 3: Cross multiply
    29.44x = 44.17 × 13.42
  4. Step 4: Simplify right side
    29.44x = 592.76
  5. Step 5: Solve for x
    x = 592.76/29.44
  6. Step 6: Final answer
    x = 20.13

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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.