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Finding the Fourth Proportional to 44.87, 67.31 and 14.44

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Solution

The fourth proportional to 44.87, 67.31 and 14.44 is: 21.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.87 : 67.31 = 14.44 : x
  2. Step 2: Convert to fraction form
    44.87/67.31 = 14.44/x
  3. Step 3: Cross multiply
    44.87x = 67.31 × 14.44
  4. Step 4: Simplify right side
    44.87x = 971.88
  5. Step 5: Solve for x
    x = 971.88/44.87
  6. Step 6: Final answer
    x = 21.66

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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.