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Finding the Fourth Proportional to 26.73, 40.01 and 16.56

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Solution

The fourth proportional to 26.73, 40.01 and 16.56 is: 24.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.73 : 40.01 = 16.56 : x
  2. Step 2: Convert to fraction form
    26.73/40.01 = 16.56/x
  3. Step 3: Cross multiply
    26.73x = 40.01 × 16.56
  4. Step 4: Simplify right side
    26.73x = 662.48
  5. Step 5: Solve for x
    x = 662.48/26.73
  6. Step 6: Final answer
    x = 24.78

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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.