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Finding the Fourth Proportional to 6,223.38, 8,589.02 and 3,865.88

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Solution

The fourth proportional to 6,223.38, 8,589.02 and 3,865.88 is: 5,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.38 : 8,589.02 = 3,865.88 : x
  2. Step 2: Convert to fraction form
    6,223.38/8,589.02 = 3,865.88/x
  3. Step 3: Cross multiply
    6,223.38x = 8,589.02 × 3,865.88
  4. Step 4: Simplify right side
    6,223.38x = 33,204,058.36
  5. Step 5: Solve for x
    x = 33,204,058.36/6,223.38
  6. Step 6: Final answer
    x = 5,335.37

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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.