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Finding the Fourth Proportional to 3,931.92, 5,892.89 and 1,847.34

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Solution

The fourth proportional to 3,931.92, 5,892.89 and 1,847.34 is: 2,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.92 : 5,892.89 = 1,847.34 : x
  2. Step 2: Convert to fraction form
    3,931.92/5,892.89 = 1,847.34/x
  3. Step 3: Cross multiply
    3,931.92x = 5,892.89 × 1,847.34
  4. Step 4: Simplify right side
    3,931.92x = 10,886,162.18
  5. Step 5: Solve for x
    x = 10,886,162.18/3,931.92
  6. Step 6: Final answer
    x = 2,768.66

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