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Finding the Fourth Proportional to 41.48, 57.22 and 26.93

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Solution

The fourth proportional to 41.48, 57.22 and 26.93 is: 37.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.48 : 57.22 = 26.93 : x
  2. Step 2: Convert to fraction form
    41.48/57.22 = 26.93/x
  3. Step 3: Cross multiply
    41.48x = 57.22 × 26.93
  4. Step 4: Simplify right side
    41.48x = 1,540.93
  5. Step 5: Solve for x
    x = 1,540.93/41.48
  6. Step 6: Final answer
    x = 37.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.