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Finding the Fourth Proportional to 63.30, 94.92 and 46.17

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Solution

The fourth proportional to 63.30, 94.92 and 46.17 is: 69.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.30 : 94.92 = 46.17 : x
  2. Step 2: Convert to fraction form
    63.30/94.92 = 46.17/x
  3. Step 3: Cross multiply
    63.30x = 94.92 × 46.17
  4. Step 4: Simplify right side
    63.30x = 4,382.46
  5. Step 5: Solve for x
    x = 4,382.46/63.30
  6. Step 6: Final answer
    x = 69.23

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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.