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Finding the Fourth Proportional to 34.29, 47.32 and 24.48

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Solution

The fourth proportional to 34.29, 47.32 and 24.48 is: 33.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.29 : 47.32 = 24.48 : x
  2. Step 2: Convert to fraction form
    34.29/47.32 = 24.48/x
  3. Step 3: Cross multiply
    34.29x = 47.32 × 24.48
  4. Step 4: Simplify right side
    34.29x = 1,158.39
  5. Step 5: Solve for x
    x = 1,158.39/34.29
  6. Step 6: Final answer
    x = 33.78

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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.