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Finding the Fourth Proportional to 22,489.88, 33,735.06 and 11,394.20

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Solution

The fourth proportional to 22,489.88, 33,735.06 and 11,394.20 is: 17,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.88 : 33,735.06 = 11,394.20 : x
  2. Step 2: Convert to fraction form
    22,489.88/33,735.06 = 11,394.20/x
  3. Step 3: Cross multiply
    22,489.88x = 33,735.06 × 11,394.20
  4. Step 4: Simplify right side
    22,489.88x = 384,384,020.65
  5. Step 5: Solve for x
    x = 384,384,020.65/22,489.88
  6. Step 6: Final answer
    x = 17,091.42

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1.5x scale

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.