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Finding the Fourth Proportional to 24.80, 33.96 and 24.12

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Solution

The fourth proportional to 24.80, 33.96 and 24.12 is: 33.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.80 : 33.96 = 24.12 : x
  2. Step 2: Convert to fraction form
    24.80/33.96 = 24.12/x
  3. Step 3: Cross multiply
    24.80x = 33.96 × 24.12
  4. Step 4: Simplify right side
    24.80x = 819.12
  5. Step 5: Solve for x
    x = 819.12/24.80
  6. Step 6: Final answer
    x = 33.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.