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Finding the Fourth Proportional to 95.04, 142.56 and 26.57

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Solution

The fourth proportional to 95.04, 142.56 and 26.57 is: 39.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.04 : 142.56 = 26.57 : x
  2. Step 2: Convert to fraction form
    95.04/142.56 = 26.57/x
  3. Step 3: Cross multiply
    95.04x = 142.56 × 26.57
  4. Step 4: Simplify right side
    95.04x = 3,787.11
  5. Step 5: Solve for x
    x = 3,787.11/95.04
  6. Step 6: Final answer
    x = 39.85

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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.