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Finding the Fourth Proportional to 63.63, 95.44 and 25.63

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Solution

The fourth proportional to 63.63, 95.44 and 25.63 is: 38.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.63 : 95.44 = 25.63 : x
  2. Step 2: Convert to fraction form
    63.63/95.44 = 25.63/x
  3. Step 3: Cross multiply
    63.63x = 95.44 × 25.63
  4. Step 4: Simplify right side
    63.63x = 2,445.59
  5. Step 5: Solve for x
    x = 2,445.59/63.63
  6. Step 6: Final answer
    x = 38.44

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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.