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Finding the Fourth Proportional to 23.75, 35.54 and 22.43

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Solution

The fourth proportional to 23.75, 35.54 and 22.43 is: 33.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.75 : 35.54 = 22.43 : x
  2. Step 2: Convert to fraction form
    23.75/35.54 = 22.43/x
  3. Step 3: Cross multiply
    23.75x = 35.54 × 22.43
  4. Step 4: Simplify right side
    23.75x = 797.16
  5. Step 5: Solve for x
    x = 797.16/23.75
  6. Step 6: Final answer
    x = 33.56

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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.