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Finding the Fourth Proportional to 63.52, 95.28 and 36.48

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Solution

The fourth proportional to 63.52, 95.28 and 36.48 is: 54.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.52 : 95.28 = 36.48 : x
  2. Step 2: Convert to fraction form
    63.52/95.28 = 36.48/x
  3. Step 3: Cross multiply
    63.52x = 95.28 × 36.48
  4. Step 4: Simplify right side
    63.52x = 3,475.81
  5. Step 5: Solve for x
    x = 3,475.81/63.52
  6. Step 6: Final answer
    x = 54.72

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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.