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Finding the Fourth Proportional to 49.14, 67.42 and 44.54

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Solution

The fourth proportional to 49.14, 67.42 and 44.54 is: 61.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.14 : 67.42 = 44.54 : x
  2. Step 2: Convert to fraction form
    49.14/67.42 = 44.54/x
  3. Step 3: Cross multiply
    49.14x = 67.42 × 44.54
  4. Step 4: Simplify right side
    49.14x = 3,002.89
  5. Step 5: Solve for x
    x = 3,002.89/49.14
  6. Step 6: Final answer
    x = 61.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.