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Finding the Fourth Proportional to 63.29, 94.94 and 49.73

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Solution

The fourth proportional to 63.29, 94.94 and 49.73 is: 74.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.29 : 94.94 = 49.73 : x
  2. Step 2: Convert to fraction form
    63.29/94.94 = 49.73/x
  3. Step 3: Cross multiply
    63.29x = 94.94 × 49.73
  4. Step 4: Simplify right side
    63.29x = 4,721.37
  5. Step 5: Solve for x
    x = 4,721.37/63.29
  6. Step 6: Final answer
    x = 74.60

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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.