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Finding the Fourth Proportional to 6,313.92, 8,713.27 and 3,481.40

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Solution

The fourth proportional to 6,313.92, 8,713.27 and 3,481.40 is: 4,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.92 : 8,713.27 = 3,481.40 : x
  2. Step 2: Convert to fraction form
    6,313.92/8,713.27 = 3,481.40/x
  3. Step 3: Cross multiply
    6,313.92x = 8,713.27 × 3,481.40
  4. Step 4: Simplify right side
    6,313.92x = 30,334,338.96
  5. Step 5: Solve for x
    x = 30,334,338.96/6,313.92
  6. Step 6: Final answer
    x = 4,804.36

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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.