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Finding the Fourth Proportional to 6,803.06, 9,388.26 and 3,972.38

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Solution

The fourth proportional to 6,803.06, 9,388.26 and 3,972.38 is: 5,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.06 : 9,388.26 = 3,972.38 : x
  2. Step 2: Convert to fraction form
    6,803.06/9,388.26 = 3,972.38/x
  3. Step 3: Cross multiply
    6,803.06x = 9,388.26 × 3,972.38
  4. Step 4: Simplify right side
    6,803.06x = 37,293,759.73
  5. Step 5: Solve for x
    x = 37,293,759.73/6,803.06
  6. Step 6: Final answer
    x = 5,481.91

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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.