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Finding the Fourth Proportional to 34.49, 47.52 and 26.73

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Solution

The fourth proportional to 34.49, 47.52 and 26.73 is: 36.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.49 : 47.52 = 26.73 : x
  2. Step 2: Convert to fraction form
    34.49/47.52 = 26.73/x
  3. Step 3: Cross multiply
    34.49x = 47.52 × 26.73
  4. Step 4: Simplify right side
    34.49x = 1,270.21
  5. Step 5: Solve for x
    x = 1,270.21/34.49
  6. Step 6: Final answer
    x = 36.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.