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Finding the Fourth Proportional to 26.92, 37.40 and 26.51

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Solution

The fourth proportional to 26.92, 37.40 and 26.51 is: 36.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.92 : 37.40 = 26.51 : x
  2. Step 2: Convert to fraction form
    26.92/37.40 = 26.51/x
  3. Step 3: Cross multiply
    26.92x = 37.40 × 26.51
  4. Step 4: Simplify right side
    26.92x = 991.47
  5. Step 5: Solve for x
    x = 991.47/26.92
  6. Step 6: Final answer
    x = 36.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.