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Finding the Fourth Proportional to 34.86, 52.25 and 29.14

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Solution

The fourth proportional to 34.86, 52.25 and 29.14 is: 43.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.86 : 52.25 = 29.14 : x
  2. Step 2: Convert to fraction form
    34.86/52.25 = 29.14/x
  3. Step 3: Cross multiply
    34.86x = 52.25 × 29.14
  4. Step 4: Simplify right side
    34.86x = 1,522.57
  5. Step 5: Solve for x
    x = 1,522.57/34.86
  6. Step 6: Final answer
    x = 43.68

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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.