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Finding the Fourth Proportional to 49.38, 68.10 and 44.17

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Solution

The fourth proportional to 49.38, 68.10 and 44.17 is: 60.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.38 : 68.10 = 44.17 : x
  2. Step 2: Convert to fraction form
    49.38/68.10 = 44.17/x
  3. Step 3: Cross multiply
    49.38x = 68.10 × 44.17
  4. Step 4: Simplify right side
    49.38x = 3,007.98
  5. Step 5: Solve for x
    x = 3,007.98/49.38
  6. Step 6: Final answer
    x = 60.91

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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.