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Finding the Fourth Proportional to 22,469.39, 30,996.03 and 18,225.39

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Solution

The fourth proportional to 22,469.39, 30,996.03 and 18,225.39 is: 25,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469.39 : 30,996.03 = 18,225.39 : x
  2. Step 2: Convert to fraction form
    22,469.39/30,996.03 = 18,225.39/x
  3. Step 3: Cross multiply
    22,469.39x = 30,996.03 × 18,225.39
  4. Step 4: Simplify right side
    22,469.39x = 564,914,735.20
  5. Step 5: Solve for x
    x = 564,914,735.20/22,469.39
  6. Step 6: Final answer
    x = 25,141.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.