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Finding the Fourth Proportional to 26.91, 37.11 and 26.33

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Solution

The fourth proportional to 26.91, 37.11 and 26.33 is: 36.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.91 : 37.11 = 26.33 : x
  2. Step 2: Convert to fraction form
    26.91/37.11 = 26.33/x
  3. Step 3: Cross multiply
    26.91x = 37.11 × 26.33
  4. Step 4: Simplify right side
    26.91x = 977.20
  5. Step 5: Solve for x
    x = 977.20/26.91
  6. Step 6: Final answer
    x = 36.31

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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.