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Finding the Fourth Proportional to 24.63, 36.96 and 12.63

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Solution

The fourth proportional to 24.63, 36.96 and 12.63 is: 18.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.63 : 36.96 = 12.63 : x
  2. Step 2: Convert to fraction form
    24.63/36.96 = 12.63/x
  3. Step 3: Cross multiply
    24.63x = 36.96 × 12.63
  4. Step 4: Simplify right side
    24.63x = 466.80
  5. Step 5: Solve for x
    x = 466.80/24.63
  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.