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Finding the Fourth Proportional to 25.62, 38.37 and 22.23

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Solution

The fourth proportional to 25.62, 38.37 and 22.23 is: 33.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.62 : 38.37 = 22.23 : x
  2. Step 2: Convert to fraction form
    25.62/38.37 = 22.23/x
  3. Step 3: Cross multiply
    25.62x = 38.37 × 22.23
  4. Step 4: Simplify right side
    25.62x = 852.97
  5. Step 5: Solve for x
    x = 852.97/25.62
  6. Step 6: Final answer
    x = 33.29

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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.