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Finding the Fourth Proportional to 63.19, 94.75 and 26.62

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Solution

The fourth proportional to 63.19, 94.75 and 26.62 is: 39.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.19 : 94.75 = 26.62 : x
  2. Step 2: Convert to fraction form
    63.19/94.75 = 26.62/x
  3. Step 3: Cross multiply
    63.19x = 94.75 × 26.62
  4. Step 4: Simplify right side
    63.19x = 2,521.94
  5. Step 5: Solve for x
    x = 2,521.94/63.19
  6. Step 6: Final answer
    x = 39.91

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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.