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Finding the Fourth Proportional to 22,169.97, 33,259.01 and 13,394.43

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Solution

The fourth proportional to 22,169.97, 33,259.01 and 13,394.43 is: 20,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.97 : 33,259.01 = 13,394.43 : x
  2. Step 2: Convert to fraction form
    22,169.97/33,259.01 = 13,394.43/x
  3. Step 3: Cross multiply
    22,169.97x = 33,259.01 × 13,394.43
  4. Step 4: Simplify right side
    22,169.97x = 445,485,414.34
  5. Step 5: Solve for x
    x = 445,485,414.34/22,169.97
  6. Step 6: Final answer
    x = 20,094.09

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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.