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Finding the Fourth Proportional to 26.93, 37.11 and 25.79

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Solution

The fourth proportional to 26.93, 37.11 and 25.79 is: 35.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.93 : 37.11 = 25.79 : x
  2. Step 2: Convert to fraction form
    26.93/37.11 = 25.79/x
  3. Step 3: Cross multiply
    26.93x = 37.11 × 25.79
  4. Step 4: Simplify right side
    26.93x = 956.88
  5. Step 5: Solve for x
    x = 956.88/26.93
  6. Step 6: Final answer
    x = 35.54

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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.