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Finding the Fourth Proportional to 44.28, 60.96 and 41.55

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Solution

The fourth proportional to 44.28, 60.96 and 41.55 is: 57.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.28 : 60.96 = 41.55 : x
  2. Step 2: Convert to fraction form
    44.28/60.96 = 41.55/x
  3. Step 3: Cross multiply
    44.28x = 60.96 × 41.55
  4. Step 4: Simplify right side
    44.28x = 2,532.89
  5. Step 5: Solve for x
    x = 2,532.89/44.28
  6. Step 6: Final answer
    x = 57.20

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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.