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Finding the Fourth Proportional to 6,246.87, 9,371.84 and 2,087.33

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Solution

The fourth proportional to 6,246.87, 9,371.84 and 2,087.33 is: 3,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.87 : 9,371.84 = 2,087.33 : x
  2. Step 2: Convert to fraction form
    6,246.87/9,371.84 = 2,087.33/x
  3. Step 3: Cross multiply
    6,246.87x = 9,371.84 × 2,087.33
  4. Step 4: Simplify right side
    6,246.87x = 19,562,065.49
  5. Step 5: Solve for x
    x = 19,562,065.49/6,246.87
  6. Step 6: Final answer
    x = 3,131.50

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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.