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Finding the Fourth Proportional to 3,993.91, 5,513.62 and 3,095.67

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Solution

The fourth proportional to 3,993.91, 5,513.62 and 3,095.67 is: 4,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.91 : 5,513.62 = 3,095.67 : x
  2. Step 2: Convert to fraction form
    3,993.91/5,513.62 = 3,095.67/x
  3. Step 3: Cross multiply
    3,993.91x = 5,513.62 × 3,095.67
  4. Step 4: Simplify right side
    3,993.91x = 17,068,335.75
  5. Step 5: Solve for x
    x = 17,068,335.75/3,993.91
  6. Step 6: Final answer
    x = 4,273.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.