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Finding the Fourth Proportional to 6,314.40, 8,713.92 and 3,481.83

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Solution

The fourth proportional to 6,314.40, 8,713.92 and 3,481.83 is: 4,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,314.40 : 8,713.92 = 3,481.83 : x
  2. Step 2: Convert to fraction form
    6,314.40/8,713.92 = 3,481.83/x
  3. Step 3: Cross multiply
    6,314.40x = 8,713.92 × 3,481.83
  4. Step 4: Simplify right side
    6,314.40x = 30,340,388.07
  5. Step 5: Solve for x
    x = 30,340,388.07/6,314.40
  6. Step 6: Final answer
    x = 4,804.95

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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.