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Finding the Fourth Proportional to 29.43, 44.17 and 20.44

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Solution

The fourth proportional to 29.43, 44.17 and 20.44 is: 30.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.43 : 44.17 = 20.44 : x
  2. Step 2: Convert to fraction form
    29.43/44.17 = 20.44/x
  3. Step 3: Cross multiply
    29.43x = 44.17 × 20.44
  4. Step 4: Simplify right side
    29.43x = 902.83
  5. Step 5: Solve for x
    x = 902.83/29.43
  6. Step 6: Final answer
    x = 30.68

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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.