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Finding the Fourth Proportional to 68.61, 94.75 and 44.06

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Solution

The fourth proportional to 68.61, 94.75 and 44.06 is: 60.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.61 : 94.75 = 44.06 : x
  2. Step 2: Convert to fraction form
    68.61/94.75 = 44.06/x
  3. Step 3: Cross multiply
    68.61x = 94.75 × 44.06
  4. Step 4: Simplify right side
    68.61x = 4,174.69
  5. Step 5: Solve for x
    x = 4,174.69/68.61
  6. Step 6: Final answer
    x = 60.85

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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.