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Finding the Fourth Proportional to 26.96, 36.93 and 26.69

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Solution

The fourth proportional to 26.96, 36.93 and 26.69 is: 36.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.96 : 36.93 = 26.69 : x
  2. Step 2: Convert to fraction form
    26.96/36.93 = 26.69/x
  3. Step 3: Cross multiply
    26.96x = 36.93 × 26.69
  4. Step 4: Simplify right side
    26.96x = 985.66
  5. Step 5: Solve for x
    x = 985.66/26.96
  6. Step 6: Final answer
    x = 36.56

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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.