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Finding the Fourth Proportional to 6,383.49, 8,809.25 and 3,730.38

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Solution

The fourth proportional to 6,383.49, 8,809.25 and 3,730.38 is: 5,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.49 : 8,809.25 = 3,730.38 : x
  2. Step 2: Convert to fraction form
    6,383.49/8,809.25 = 3,730.38/x
  3. Step 3: Cross multiply
    6,383.49x = 8,809.25 × 3,730.38
  4. Step 4: Simplify right side
    6,383.49x = 32,861,850.02
  5. Step 5: Solve for x
    x = 32,861,850.02/6,383.49
  6. Step 6: Final answer
    x = 5,147.94

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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.