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Finding the Fourth Proportional to 44.32, 61.13 and 29.74

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Solution

The fourth proportional to 44.32, 61.13 and 29.74 is: 41.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.32 : 61.13 = 29.74 : x
  2. Step 2: Convert to fraction form
    44.32/61.13 = 29.74/x
  3. Step 3: Cross multiply
    44.32x = 61.13 × 29.74
  4. Step 4: Simplify right side
    44.32x = 1,817.93
  5. Step 5: Solve for x
    x = 1,817.93/44.32
  6. Step 6: Final answer
    x = 41.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.