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Finding the Fourth Proportional to 31.44, 43.37 and 24.14

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Solution

The fourth proportional to 31.44, 43.37 and 24.14 is: 33.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.44 : 43.37 = 24.14 : x
  2. Step 2: Convert to fraction form
    31.44/43.37 = 24.14/x
  3. Step 3: Cross multiply
    31.44x = 43.37 × 24.14
  4. Step 4: Simplify right side
    31.44x = 1,046.95
  5. Step 5: Solve for x
    x = 1,046.95/31.44
  6. Step 6: Final answer
    x = 33.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.