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Finding the Fourth Proportional to 34.92, 52.26 and 29.18

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Solution

The fourth proportional to 34.92, 52.26 and 29.18 is: 43.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.92 : 52.26 = 29.18 : x
  2. Step 2: Convert to fraction form
    34.92/52.26 = 29.18/x
  3. Step 3: Cross multiply
    34.92x = 52.26 × 29.18
  4. Step 4: Simplify right side
    34.92x = 1,524.69
  5. Step 5: Solve for x
    x = 1,524.69/34.92
  6. Step 6: Final answer
    x = 43.66

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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.