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Finding the Fourth Proportional to 24.59, 36.83 and 13.88

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Solution

The fourth proportional to 24.59, 36.83 and 13.88 is: 20.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.59 : 36.83 = 13.88 : x
  2. Step 2: Convert to fraction form
    24.59/36.83 = 13.88/x
  3. Step 3: Cross multiply
    24.59x = 36.83 × 13.88
  4. Step 4: Simplify right side
    24.59x = 511.05
  5. Step 5: Solve for x
    x = 511.05/24.59
  6. Step 6: Final answer
    x = 20.79

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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.