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Finding the Fourth Proportional to 49.65, 74.49 and 23.97

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Solution

The fourth proportional to 49.65, 74.49 and 23.97 is: 35.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.65 : 74.49 = 23.97 : x
  2. Step 2: Convert to fraction form
    49.65/74.49 = 23.97/x
  3. Step 3: Cross multiply
    49.65x = 74.49 × 23.97
  4. Step 4: Simplify right side
    49.65x = 1,785.53
  5. Step 5: Solve for x
    x = 1,785.53/49.65
  6. Step 6: Final answer
    x = 35.96

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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.