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Finding the Fourth Proportional to 26.73, 36.90 and 23.49

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Solution

The fourth proportional to 26.73, 36.90 and 23.49 is: 32.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.73 : 36.90 = 23.49 : x
  2. Step 2: Convert to fraction form
    26.73/36.90 = 23.49/x
  3. Step 3: Cross multiply
    26.73x = 36.90 × 23.49
  4. Step 4: Simplify right side
    26.73x = 866.78
  5. Step 5: Solve for x
    x = 866.78/26.73
  6. Step 6: Final answer
    x = 32.43

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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.