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Finding the Fourth Proportional to 6,983.52, 10,481.52 and 3,698.88

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Solution

The fourth proportional to 6,983.52, 10,481.52 and 3,698.88 is: 5,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.52 : 10,481.52 = 3,698.88 : x
  2. Step 2: Convert to fraction form
    6,983.52/10,481.52 = 3,698.88/x
  3. Step 3: Cross multiply
    6,983.52x = 10,481.52 × 3,698.88
  4. Step 4: Simplify right side
    6,983.52x = 38,769,884.70
  5. Step 5: Solve for x
    x = 38,769,884.70/6,983.52
  6. Step 6: Final answer
    x = 5,551.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.