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Finding the Fourth Proportional to 6,379.87, 8,805.18 and 4,593.26

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Solution

The fourth proportional to 6,379.87, 8,805.18 and 4,593.26 is: 6,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.87 : 8,805.18 = 4,593.26 : x
  2. Step 2: Convert to fraction form
    6,379.87/8,805.18 = 4,593.26/x
  3. Step 3: Cross multiply
    6,379.87x = 8,805.18 × 4,593.26
  4. Step 4: Simplify right side
    6,379.87x = 40,444,469.37
  5. Step 5: Solve for x
    x = 40,444,469.37/6,379.87
  6. Step 6: Final answer
    x = 6,339.39

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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.