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Finding the Fourth Proportional to 26.92, 36.82 and 26.82

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Solution

The fourth proportional to 26.92, 36.82 and 26.82 is: 36.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.92 : 36.82 = 26.82 : x
  2. Step 2: Convert to fraction form
    26.92/36.82 = 26.82/x
  3. Step 3: Cross multiply
    26.92x = 36.82 × 26.82
  4. Step 4: Simplify right side
    26.92x = 987.51
  5. Step 5: Solve for x
    x = 987.51/26.92
  6. Step 6: Final answer
    x = 36.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.