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Finding the Fourth Proportional to 8,843.30, 12,209.90 and 6,194.30

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Solution

The fourth proportional to 8,843.30, 12,209.90 and 6,194.30 is: 8,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.30 : 12,209.90 = 6,194.30 : x
  2. Step 2: Convert to fraction form
    8,843.30/12,209.90 = 6,194.30/x
  3. Step 3: Cross multiply
    8,843.30x = 12,209.90 × 6,194.30
  4. Step 4: Simplify right side
    8,843.30x = 75,631,738.01
  5. Step 5: Solve for x
    x = 75,631,738.01/8,843.30
  6. Step 6: Final answer
    x = 8,552.44

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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.