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Finding the Fourth Proportional to 5,462.92, 8,181.51 and 3,609.43

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Solution

The fourth proportional to 5,462.92, 8,181.51 and 3,609.43 is: 5,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462.92 : 8,181.51 = 3,609.43 : x
  2. Step 2: Convert to fraction form
    5,462.92/8,181.51 = 3,609.43/x
  3. Step 3: Cross multiply
    5,462.92x = 8,181.51 × 3,609.43
  4. Step 4: Simplify right side
    5,462.92x = 29,530,587.64
  5. Step 5: Solve for x
    x = 29,530,587.64/5,462.92
  6. Step 6: Final answer
    x = 5,405.64

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