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Finding the Fourth Proportional to 3,832.86, 5,289.83 and 2,340.45

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Solution

The fourth proportional to 3,832.86, 5,289.83 and 2,340.45 is: 3,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.86 : 5,289.83 = 2,340.45 : x
  2. Step 2: Convert to fraction form
    3,832.86/5,289.83 = 2,340.45/x
  3. Step 3: Cross multiply
    3,832.86x = 5,289.83 × 2,340.45
  4. Step 4: Simplify right side
    3,832.86x = 12,380,570.92
  5. Step 5: Solve for x
    x = 12,380,570.92/3,832.86
  6. Step 6: Final answer
    x = 3,230.11

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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.