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Finding the Fourth Proportional to 26.43, 39.56 and 23.09

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Solution

The fourth proportional to 26.43, 39.56 and 23.09 is: 34.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.43 : 39.56 = 23.09 : x
  2. Step 2: Convert to fraction form
    26.43/39.56 = 23.09/x
  3. Step 3: Cross multiply
    26.43x = 39.56 × 23.09
  4. Step 4: Simplify right side
    26.43x = 913.32
  5. Step 5: Solve for x
    x = 913.32/26.43
  6. Step 6: Final answer
    x = 34.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.