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Finding the Fourth Proportional to 63.36, 94.92 and 36.24

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Solution

The fourth proportional to 63.36, 94.92 and 36.24 is: 54.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.36 : 94.92 = 36.24 : x
  2. Step 2: Convert to fraction form
    63.36/94.92 = 36.24/x
  3. Step 3: Cross multiply
    63.36x = 94.92 × 36.24
  4. Step 4: Simplify right side
    63.36x = 3,439.90
  5. Step 5: Solve for x
    x = 3,439.90/63.36
  6. Step 6: Final answer
    x = 54.29

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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.