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Finding the Fourth Proportional to 41.75, 62.45 and 35.16

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Solution

The fourth proportional to 41.75, 62.45 and 35.16 is: 52.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.75 : 62.45 = 35.16 : x
  2. Step 2: Convert to fraction form
    41.75/62.45 = 35.16/x
  3. Step 3: Cross multiply
    41.75x = 62.45 × 35.16
  4. Step 4: Simplify right side
    41.75x = 2,195.74
  5. Step 5: Solve for x
    x = 2,195.74/41.75
  6. Step 6: Final answer
    x = 52.59

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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.