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Finding the Fourth Proportional to 26.57, 39.84 and 16.41

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Solution

The fourth proportional to 26.57, 39.84 and 16.41 is: 24.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.57 : 39.84 = 16.41 : x
  2. Step 2: Convert to fraction form
    26.57/39.84 = 16.41/x
  3. Step 3: Cross multiply
    26.57x = 39.84 × 16.41
  4. Step 4: Simplify right side
    26.57x = 653.92
  5. Step 5: Solve for x
    x = 653.92/26.57
  6. Step 6: Final answer
    x = 24.61

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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.