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Finding the Fourth Proportional to 63.18, 94.56 and 46.04

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Solution

The fourth proportional to 63.18, 94.56 and 46.04 is: 68.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.18 : 94.56 = 46.04 : x
  2. Step 2: Convert to fraction form
    63.18/94.56 = 46.04/x
  3. Step 3: Cross multiply
    63.18x = 94.56 × 46.04
  4. Step 4: Simplify right side
    63.18x = 4,353.54
  5. Step 5: Solve for x
    x = 4,353.54/63.18
  6. Step 6: Final answer
    x = 68.91

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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.