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Finding the Fourth Proportional to 41.26, 62.04 and 27.76

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Solution

The fourth proportional to 41.26, 62.04 and 27.76 is: 41.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.26 : 62.04 = 27.76 : x
  2. Step 2: Convert to fraction form
    41.26/62.04 = 27.76/x
  3. Step 3: Cross multiply
    41.26x = 62.04 × 27.76
  4. Step 4: Simplify right side
    41.26x = 1,722.23
  5. Step 5: Solve for x
    x = 1,722.23/41.26
  6. Step 6: Final answer
    x = 41.74

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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.