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Finding the Fourth Proportional to 68.54, 94.58 and 44.02

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Solution

The fourth proportional to 68.54, 94.58 and 44.02 is: 60.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.54 : 94.58 = 44.02 : x
  2. Step 2: Convert to fraction form
    68.54/94.58 = 44.02/x
  3. Step 3: Cross multiply
    68.54x = 94.58 × 44.02
  4. Step 4: Simplify right side
    68.54x = 4,163.41
  5. Step 5: Solve for x
    x = 4,163.41/68.54
  6. Step 6: Final answer
    x = 60.74

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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.