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Finding the Fourth Proportional to 26.29, 36.26 and 23.86

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Solution

The fourth proportional to 26.29, 36.26 and 23.86 is: 32.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.29 : 36.26 = 23.86 : x
  2. Step 2: Convert to fraction form
    26.29/36.26 = 23.86/x
  3. Step 3: Cross multiply
    26.29x = 36.26 × 23.86
  4. Step 4: Simplify right side
    26.29x = 864.98
  5. Step 5: Solve for x
    x = 864.98/26.29
  6. Step 6: Final answer
    x = 32.91

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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.