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Finding the Fourth Proportional to 68.96, 95.18 and 44.41

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Solution

The fourth proportional to 68.96, 95.18 and 44.41 is: 61.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.96 : 95.18 = 44.41 : x
  2. Step 2: Convert to fraction form
    68.96/95.18 = 44.41/x
  3. Step 3: Cross multiply
    68.96x = 95.18 × 44.41
  4. Step 4: Simplify right side
    68.96x = 4,226.48
  5. Step 5: Solve for x
    x = 4,226.48/68.96
  6. Step 6: Final answer
    x = 61.29

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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.