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Finding the Fourth Proportional to 34.76, 47.96 and 23.26

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Solution

The fourth proportional to 34.76, 47.96 and 23.26 is: 32.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.76 : 47.96 = 23.26 : x
  2. Step 2: Convert to fraction form
    34.76/47.96 = 23.26/x
  3. Step 3: Cross multiply
    34.76x = 47.96 × 23.26
  4. Step 4: Simplify right side
    34.76x = 1,115.55
  5. Step 5: Solve for x
    x = 1,115.55/34.76
  6. Step 6: Final answer
    x = 32.09

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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.