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Finding the Fourth Proportional to 49.92, 74.81 and 24.25

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Solution

The fourth proportional to 49.92, 74.81 and 24.25 is: 36.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.92 : 74.81 = 24.25 : x
  2. Step 2: Convert to fraction form
    49.92/74.81 = 24.25/x
  3. Step 3: Cross multiply
    49.92x = 74.81 × 24.25
  4. Step 4: Simplify right side
    49.92x = 1,814.14
  5. Step 5: Solve for x
    x = 1,814.14/49.92
  6. Step 6: Final answer
    x = 36.34

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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.