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Finding the Fourth Proportional to 26.91, 36.94 and 26.91

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Solution

The fourth proportional to 26.91, 36.94 and 26.91 is: 36.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.91 : 36.94 = 26.91 : x
  2. Step 2: Convert to fraction form
    26.91/36.94 = 26.91/x
  3. Step 3: Cross multiply
    26.91x = 36.94 × 26.91
  4. Step 4: Simplify right side
    26.91x = 993.96
  5. Step 5: Solve for x
    x = 993.96/26.91
  6. Step 6: Final answer
    x = 36.94

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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.