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Finding the Fourth Proportional to 22.92, 34.32 and 22.32

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Solution

The fourth proportional to 22.92, 34.32 and 22.32 is: 33.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.92 : 34.32 = 22.32 : x
  2. Step 2: Convert to fraction form
    22.92/34.32 = 22.32/x
  3. Step 3: Cross multiply
    22.92x = 34.32 × 22.32
  4. Step 4: Simplify right side
    22.92x = 766.02
  5. Step 5: Solve for x
    x = 766.02/22.92
  6. Step 6: Final answer
    x = 33.42

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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.