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Finding the Fourth Proportional to 22.96, 34.46 and 22.47

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Solution

The fourth proportional to 22.96, 34.46 and 22.47 is: 33.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.96 : 34.46 = 22.47 : x
  2. Step 2: Convert to fraction form
    22.96/34.46 = 22.47/x
  3. Step 3: Cross multiply
    22.96x = 34.46 × 22.47
  4. Step 4: Simplify right side
    22.96x = 774.32
  5. Step 5: Solve for x
    x = 774.32/22.96
  6. Step 6: Final answer
    x = 33.72

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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.