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Finding the Fourth Proportional to 22,456.69, 33,685.04 and 6,872.29

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Solution

The fourth proportional to 22,456.69, 33,685.04 and 6,872.29 is: 10,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,456.69 : 33,685.04 = 6,872.29 : x
  2. Step 2: Convert to fraction form
    22,456.69/33,685.04 = 6,872.29/x
  3. Step 3: Cross multiply
    22,456.69x = 33,685.04 × 6,872.29
  4. Step 4: Simplify right side
    22,456.69x = 231,493,329.18
  5. Step 5: Solve for x
    x = 231,493,329.18/22,456.69
  6. Step 6: Final answer
    x = 10,308.44

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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.