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Finding the Fourth Proportional to 23.44, 35.20 and 23.12

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Solution

The fourth proportional to 23.44, 35.20 and 23.12 is: 34.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.44 : 35.20 = 23.12 : x
  2. Step 2: Convert to fraction form
    23.44/35.20 = 23.12/x
  3. Step 3: Cross multiply
    23.44x = 35.20 × 23.12
  4. Step 4: Simplify right side
    23.44x = 813.82
  5. Step 5: Solve for x
    x = 813.82/23.44
  6. Step 6: Final answer
    x = 34.72

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Why These Related Problems?

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