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Finding the Fourth Proportional to 6,231.65, 9,347.49 and 2,943.05

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Solution

The fourth proportional to 6,231.65, 9,347.49 and 2,943.05 is: 4,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.65 : 9,347.49 = 2,943.05 : x
  2. Step 2: Convert to fraction form
    6,231.65/9,347.49 = 2,943.05/x
  3. Step 3: Cross multiply
    6,231.65x = 9,347.49 × 2,943.05
  4. Step 4: Simplify right side
    6,231.65x = 27,510,083.71
  5. Step 5: Solve for x
    x = 27,510,083.71/6,231.65
  6. Step 6: Final answer
    x = 4,414.58

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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.