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Finding the Fourth Proportional to 6,329.92, 8,736.08 and 3,813.34

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Solution

The fourth proportional to 6,329.92, 8,736.08 and 3,813.34 is: 5,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329.92 : 8,736.08 = 3,813.34 : x
  2. Step 2: Convert to fraction form
    6,329.92/8,736.08 = 3,813.34/x
  3. Step 3: Cross multiply
    6,329.92x = 8,736.08 × 3,813.34
  4. Step 4: Simplify right side
    6,329.92x = 33,313,643.31
  5. Step 5: Solve for x
    x = 33,313,643.31/6,329.92
  6. Step 6: Final answer
    x = 5,262.89

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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.