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Finding the Fourth Proportional to 94.85, 142.27 and 26.37

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Solution

The fourth proportional to 94.85, 142.27 and 26.37 is: 39.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.85 : 142.27 = 26.37 : x
  2. Step 2: Convert to fraction form
    94.85/142.27 = 26.37/x
  3. Step 3: Cross multiply
    94.85x = 142.27 × 26.37
  4. Step 4: Simplify right side
    94.85x = 3,751.59
  5. Step 5: Solve for x
    x = 3,751.59/94.85
  6. Step 6: Final answer
    x = 39.56

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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.