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Finding the Fourth Proportional to 49.68, 74.49 and 41.17

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Solution

The fourth proportional to 49.68, 74.49 and 41.17 is: 61.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.68 : 74.49 = 41.17 : x
  2. Step 2: Convert to fraction form
    49.68/74.49 = 41.17/x
  3. Step 3: Cross multiply
    49.68x = 74.49 × 41.17
  4. Step 4: Simplify right side
    49.68x = 3,066.75
  5. Step 5: Solve for x
    x = 3,066.75/49.68
  6. Step 6: Final answer
    x = 61.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.