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Finding the Fourth Proportional to 24.82, 37.24 and 12.63

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Solution

The fourth proportional to 24.82, 37.24 and 12.63 is: 18.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.82 : 37.24 = 12.63 : x
  2. Step 2: Convert to fraction form
    24.82/37.24 = 12.63/x
  3. Step 3: Cross multiply
    24.82x = 37.24 × 12.63
  4. Step 4: Simplify right side
    24.82x = 470.34
  5. Step 5: Solve for x
    x = 470.34/24.82
  6. Step 6: Final answer
    x = 18.95

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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.