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Finding the Fourth Proportional to 6,891.97, 10,324.90 and 4,072.37

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Solution

The fourth proportional to 6,891.97, 10,324.90 and 4,072.37 is: 6,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.97 : 10,324.90 = 4,072.37 : x
  2. Step 2: Convert to fraction form
    6,891.97/10,324.90 = 4,072.37/x
  3. Step 3: Cross multiply
    6,891.97x = 10,324.90 × 4,072.37
  4. Step 4: Simplify right side
    6,891.97x = 42,046,761.39
  5. Step 5: Solve for x
    x = 42,046,761.39/6,891.97
  6. Step 6: Final answer
    x = 6,100.84

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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.