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Finding the Fourth Proportional to 34.26, 47.27 and 26.06

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Solution

The fourth proportional to 34.26, 47.27 and 26.06 is: 35.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.26 : 47.27 = 26.06 : x
  2. Step 2: Convert to fraction form
    34.26/47.27 = 26.06/x
  3. Step 3: Cross multiply
    34.26x = 47.27 × 26.06
  4. Step 4: Simplify right side
    34.26x = 1,231.62
  5. Step 5: Solve for x
    x = 1,231.62/34.26
  6. Step 6: Final answer
    x = 35.95

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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.