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Finding the Fourth Proportional to 68.56, 94.56 and 44.03

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Solution

The fourth proportional to 68.56, 94.56 and 44.03 is: 60.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.56 : 94.56 = 44.03 : x
  2. Step 2: Convert to fraction form
    68.56/94.56 = 44.03/x
  3. Step 3: Cross multiply
    68.56x = 94.56 × 44.03
  4. Step 4: Simplify right side
    68.56x = 4,163.00
  5. Step 5: Solve for x
    x = 4,163.00/68.56
  6. Step 6: Final answer
    x = 60.72

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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.