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Finding the Fourth Proportional to 44.74, 67.17 and 29.56

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Solution

The fourth proportional to 44.74, 67.17 and 29.56 is: 44.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.74 : 67.17 = 29.56 : x
  2. Step 2: Convert to fraction form
    44.74/67.17 = 29.56/x
  3. Step 3: Cross multiply
    44.74x = 67.17 × 29.56
  4. Step 4: Simplify right side
    44.74x = 1,985.34
  5. Step 5: Solve for x
    x = 1,985.34/44.74
  6. Step 6: Final answer
    x = 44.37

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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.