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Finding the Fourth Proportional to 41.45, 62.12 and 27.93

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Solution

The fourth proportional to 41.45, 62.12 and 27.93 is: 41.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.45 : 62.12 = 27.93 : x
  2. Step 2: Convert to fraction form
    41.45/62.12 = 27.93/x
  3. Step 3: Cross multiply
    41.45x = 62.12 × 27.93
  4. Step 4: Simplify right side
    41.45x = 1,735.01
  5. Step 5: Solve for x
    x = 1,735.01/41.45
  6. Step 6: Final answer
    x = 41.86

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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.