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Finding the Fourth Proportional to 44.04, 60.82 and 39.42

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Solution

The fourth proportional to 44.04, 60.82 and 39.42 is: 54.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.04 : 60.82 = 39.42 : x
  2. Step 2: Convert to fraction form
    44.04/60.82 = 39.42/x
  3. Step 3: Cross multiply
    44.04x = 60.82 × 39.42
  4. Step 4: Simplify right side
    44.04x = 2,397.43
  5. Step 5: Solve for x
    x = 2,397.43/44.04
  6. Step 6: Final answer
    x = 54.43

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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.