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Finding the Fourth Proportional to 49.17, 67.49 and 44.85

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Solution

The fourth proportional to 49.17, 67.49 and 44.85 is: 61.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.17 : 67.49 = 44.85 : x
  2. Step 2: Convert to fraction form
    49.17/67.49 = 44.85/x
  3. Step 3: Cross multiply
    49.17x = 67.49 × 44.85
  4. Step 4: Simplify right side
    49.17x = 3,027.04
  5. Step 5: Solve for x
    x = 3,027.04/49.17
  6. Step 6: Final answer
    x = 61.56

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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.