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Finding the Fourth Proportional to 44.72, 61.71 and 27.24

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Solution

The fourth proportional to 44.72, 61.71 and 27.24 is: 37.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.72 : 61.71 = 27.24 : x
  2. Step 2: Convert to fraction form
    44.72/61.71 = 27.24/x
  3. Step 3: Cross multiply
    44.72x = 61.71 × 27.24
  4. Step 4: Simplify right side
    44.72x = 1,680.98
  5. Step 5: Solve for x
    x = 1,680.98/44.72
  6. Step 6: Final answer
    x = 37.59

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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.