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Finding the Fourth Proportional to 63.26, 94.82 and 48

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Solution

The fourth proportional to 63.26, 94.82 and 48 is: 71.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.26 : 94.82 = 48 : x
  2. Step 2: Convert to fraction form
    63.26/94.82 = 48/x
  3. Step 3: Cross multiply
    63.26x = 94.82 × 48
  4. Step 4: Simplify right side
    63.26x = 4,551.48
  5. Step 5: Solve for x
    x = 4,551.48/63.26
  6. Step 6: Final answer
    x = 71.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.