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Finding the Fourth Proportional to 44.24, 61.47 and 43.66

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Solution

The fourth proportional to 44.24, 61.47 and 43.66 is: 60.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.24 : 61.47 = 43.66 : x
  2. Step 2: Convert to fraction form
    44.24/61.47 = 43.66/x
  3. Step 3: Cross multiply
    44.24x = 61.47 × 43.66
  4. Step 4: Simplify right side
    44.24x = 2,683.78
  5. Step 5: Solve for x
    x = 2,683.78/44.24
  6. Step 6: Final answer
    x = 60.66

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.