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Finding the Fourth Proportional to 7,107.96, 10,662.01 and 2,724.38

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Solution

The fourth proportional to 7,107.96, 10,662.01 and 2,724.38 is: 4,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.96 : 10,662.01 = 2,724.38 : x
  2. Step 2: Convert to fraction form
    7,107.96/10,662.01 = 2,724.38/x
  3. Step 3: Cross multiply
    7,107.96x = 10,662.01 × 2,724.38
  4. Step 4: Simplify right side
    7,107.96x = 29,047,306.68
  5. Step 5: Solve for x
    x = 29,047,306.68/7,107.96
  6. Step 6: Final answer
    x = 4,086.59

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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.