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Finding the Fourth Proportional to 24.45, 36.68 and 10.92

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Solution

The fourth proportional to 24.45, 36.68 and 10.92 is: 16.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.45 : 36.68 = 10.92 : x
  2. Step 2: Convert to fraction form
    24.45/36.68 = 10.92/x
  3. Step 3: Cross multiply
    24.45x = 36.68 × 10.92
  4. Step 4: Simplify right side
    24.45x = 400.38
  5. Step 5: Solve for x
    x = 400.38/24.45
  6. Step 6: Final answer
    x = 16.37

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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.