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Finding the Fourth Proportional to 6,718.51, 10,063.90 and 3,936.73

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Solution

The fourth proportional to 6,718.51, 10,063.90 and 3,936.73 is: 5,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.51 : 10,063.90 = 3,936.73 : x
  2. Step 2: Convert to fraction form
    6,718.51/10,063.90 = 3,936.73/x
  3. Step 3: Cross multiply
    6,718.51x = 10,063.90 × 3,936.73
  4. Step 4: Simplify right side
    6,718.51x = 39,618,857.05
  5. Step 5: Solve for x
    x = 39,618,857.05/6,718.51
  6. Step 6: Final answer
    x = 5,896.97

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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.