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Finding the Fourth Proportional to 44.96, 67.41 and 17.91

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Solution

The fourth proportional to 44.96, 67.41 and 17.91 is: 26.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.96 : 67.41 = 17.91 : x
  2. Step 2: Convert to fraction form
    44.96/67.41 = 17.91/x
  3. Step 3: Cross multiply
    44.96x = 67.41 × 17.91
  4. Step 4: Simplify right side
    44.96x = 1,207.31
  5. Step 5: Solve for x
    x = 1,207.31/44.96
  6. Step 6: Final answer
    x = 26.86

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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.