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Finding the Fourth Proportional to 26.96, 37.16 and 25.92

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Solution

The fourth proportional to 26.96, 37.16 and 25.92 is: 35.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.96 : 37.16 = 25.92 : x
  2. Step 2: Convert to fraction form
    26.96/37.16 = 25.92/x
  3. Step 3: Cross multiply
    26.96x = 37.16 × 25.92
  4. Step 4: Simplify right side
    26.96x = 963.19
  5. Step 5: Solve for x
    x = 963.19/26.96
  6. Step 6: Final answer
    x = 35.73

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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.