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Finding the Fourth Proportional to 63.39, 95.07 and 17.74

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Solution

The fourth proportional to 63.39, 95.07 and 17.74 is: 26.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.39 : 95.07 = 17.74 : x
  2. Step 2: Convert to fraction form
    63.39/95.07 = 17.74/x
  3. Step 3: Cross multiply
    63.39x = 95.07 × 17.74
  4. Step 4: Simplify right side
    63.39x = 1,685.98
  5. Step 5: Solve for x
    x = 1,685.98/63.39
  6. Step 6: Final answer
    x = 26.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.