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Finding the Fourth Proportional to 24.72, 34.16 and 24.48

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Solution

The fourth proportional to 24.72, 34.16 and 24.48 is: 33.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.72 : 34.16 = 24.48 : x
  2. Step 2: Convert to fraction form
    24.72/34.16 = 24.48/x
  3. Step 3: Cross multiply
    24.72x = 34.16 × 24.48
  4. Step 4: Simplify right side
    24.72x = 836.24
  5. Step 5: Solve for x
    x = 836.24/24.72
  6. Step 6: Final answer
    x = 33.83

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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.