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Finding the Fourth Proportional to 27.46, 41.11 and 15.44

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Solution

The fourth proportional to 27.46, 41.11 and 15.44 is: 23.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.46 : 41.11 = 15.44 : x
  2. Step 2: Convert to fraction form
    27.46/41.11 = 15.44/x
  3. Step 3: Cross multiply
    27.46x = 41.11 × 15.44
  4. Step 4: Simplify right side
    27.46x = 634.74
  5. Step 5: Solve for x
    x = 634.74/27.46
  6. Step 6: Final answer
    x = 23.12

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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.