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Finding the Fourth Proportional to 68.26, 94.13 and 44.92

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Solution

The fourth proportional to 68.26, 94.13 and 44.92 is: 61.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.26 : 94.13 = 44.92 : x
  2. Step 2: Convert to fraction form
    68.26/94.13 = 44.92/x
  3. Step 3: Cross multiply
    68.26x = 94.13 × 44.92
  4. Step 4: Simplify right side
    68.26x = 4,228.32
  5. Step 5: Solve for x
    x = 4,228.32/68.26
  6. Step 6: Final answer
    x = 61.94

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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.