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Finding the Fourth Proportional to 24.02, 36 and 12.59

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Solution

The fourth proportional to 24.02, 36 and 12.59 is: 18.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.02 : 36 = 12.59 : x
  2. Step 2: Convert to fraction form
    24.02/36 = 12.59/x
  3. Step 3: Cross multiply
    24.02x = 36 × 12.59
  4. Step 4: Simplify right side
    24.02x = 453.33
  5. Step 5: Solve for x
    x = 453.33/24.02
  6. Step 6: Final answer
    x = 18.87

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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.