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Finding the Fourth Proportional to 6,383.87, 8,808.31 and 3,694.67

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Solution

The fourth proportional to 6,383.87, 8,808.31 and 3,694.67 is: 5,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.87 : 8,808.31 = 3,694.67 : x
  2. Step 2: Convert to fraction form
    6,383.87/8,808.31 = 3,694.67/x
  3. Step 3: Cross multiply
    6,383.87x = 8,808.31 × 3,694.67
  4. Step 4: Simplify right side
    6,383.87x = 32,543,798.71
  5. Step 5: Solve for x
    x = 32,543,798.71/6,383.87
  6. Step 6: Final answer
    x = 5,097.82

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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.