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Finding the Fourth Proportional to 34.96, 52.44 and 34.13

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Solution

The fourth proportional to 34.96, 52.44 and 34.13 is: 51.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.96 : 52.44 = 34.13 : x
  2. Step 2: Convert to fraction form
    34.96/52.44 = 34.13/x
  3. Step 3: Cross multiply
    34.96x = 52.44 × 34.13
  4. Step 4: Simplify right side
    34.96x = 1,789.78
  5. Step 5: Solve for x
    x = 1,789.78/34.96
  6. Step 6: Final answer
    x = 51.20

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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.