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Finding the Fourth Proportional to 26.45, 36.27 and 25.29

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Solution

The fourth proportional to 26.45, 36.27 and 25.29 is: 34.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.45 : 36.27 = 25.29 : x
  2. Step 2: Convert to fraction form
    26.45/36.27 = 25.29/x
  3. Step 3: Cross multiply
    26.45x = 36.27 × 25.29
  4. Step 4: Simplify right side
    26.45x = 917.27
  5. Step 5: Solve for x
    x = 917.27/26.45
  6. Step 6: Final answer
    x = 34.69

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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.