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Finding the Fourth Proportional to 49.41, 68.14 and 44.21

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Solution

The fourth proportional to 49.41, 68.14 and 44.21 is: 60.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.41 : 68.14 = 44.21 : x
  2. Step 2: Convert to fraction form
    49.41/68.14 = 44.21/x
  3. Step 3: Cross multiply
    49.41x = 68.14 × 44.21
  4. Step 4: Simplify right side
    49.41x = 3,012.70
  5. Step 5: Solve for x
    x = 3,012.70/49.41
  6. Step 6: Final answer
    x = 60.97

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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.