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Finding the Fourth Proportional to 5,662.72, 8,494.08 and 2,200.78

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Solution

The fourth proportional to 5,662.72, 8,494.08 and 2,200.78 is: 3,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.72 : 8,494.08 = 2,200.78 : x
  2. Step 2: Convert to fraction form
    5,662.72/8,494.08 = 2,200.78/x
  3. Step 3: Cross multiply
    5,662.72x = 8,494.08 × 2,200.78
  4. Step 4: Simplify right side
    5,662.72x = 18,693,601.38
  5. Step 5: Solve for x
    x = 18,693,601.38/5,662.72
  6. Step 6: Final answer
    x = 3,301.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.