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Finding the Fourth Proportional to 6,408.17, 8,843.31 and 3,755.60

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Solution

The fourth proportional to 6,408.17, 8,843.31 and 3,755.60 is: 5,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.17 : 8,843.31 = 3,755.60 : x
  2. Step 2: Convert to fraction form
    6,408.17/8,843.31 = 3,755.60/x
  3. Step 3: Cross multiply
    6,408.17x = 8,843.31 × 3,755.60
  4. Step 4: Simplify right side
    6,408.17x = 33,211,890.82
  5. Step 5: Solve for x
    x = 33,211,890.82/6,408.17
  6. Step 6: Final answer
    x = 5,182.75

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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.