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Finding the Fourth Proportional to 95.43, 143.17 and 26.97

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Solution

The fourth proportional to 95.43, 143.17 and 26.97 is: 40.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.43 : 143.17 = 26.97 : x
  2. Step 2: Convert to fraction form
    95.43/143.17 = 26.97/x
  3. Step 3: Cross multiply
    95.43x = 143.17 × 26.97
  4. Step 4: Simplify right side
    95.43x = 3,860.69
  5. Step 5: Solve for x
    x = 3,860.69/95.43
  6. Step 6: Final answer
    x = 40.45

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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.