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Finding the Fourth Proportional to 26.59, 36.46 and 25.68

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Solution

The fourth proportional to 26.59, 36.46 and 25.68 is: 35.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.59 : 36.46 = 25.68 : x
  2. Step 2: Convert to fraction form
    26.59/36.46 = 25.68/x
  3. Step 3: Cross multiply
    26.59x = 36.46 × 25.68
  4. Step 4: Simplify right side
    26.59x = 936.29
  5. Step 5: Solve for x
    x = 936.29/26.59
  6. Step 6: Final answer
    x = 35.21

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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.