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Finding the Fourth Proportional to 41.10, 61.50 and 35.96

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Solution

The fourth proportional to 41.10, 61.50 and 35.96 is: 53.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.10 : 61.50 = 35.96 : x
  2. Step 2: Convert to fraction form
    41.10/61.50 = 35.96/x
  3. Step 3: Cross multiply
    41.10x = 61.50 × 35.96
  4. Step 4: Simplify right side
    41.10x = 2,211.54
  5. Step 5: Solve for x
    x = 2,211.54/41.10
  6. Step 6: Final answer
    x = 53.81

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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.