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Finding the Fourth Proportional to 63.63, 95.52 and 50.94

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Solution

The fourth proportional to 63.63, 95.52 and 50.94 is: 76.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.63 : 95.52 = 50.94 : x
  2. Step 2: Convert to fraction form
    63.63/95.52 = 50.94/x
  3. Step 3: Cross multiply
    63.63x = 95.52 × 50.94
  4. Step 4: Simplify right side
    63.63x = 4,865.79
  5. Step 5: Solve for x
    x = 4,865.79/63.63
  6. Step 6: Final answer
    x = 76.47

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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.