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Finding the Fourth Proportional to 5,571.42, 8,353.54 and 3,102.84

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Solution

The fourth proportional to 5,571.42, 8,353.54 and 3,102.84 is: 4,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.42 : 8,353.54 = 3,102.84 : x
  2. Step 2: Convert to fraction form
    5,571.42/8,353.54 = 3,102.84/x
  3. Step 3: Cross multiply
    5,571.42x = 8,353.54 × 3,102.84
  4. Step 4: Simplify right side
    5,571.42x = 25,919,741.54
  5. Step 5: Solve for x
    x = 25,919,741.54/5,571.42
  6. Step 6: Final answer
    x = 4,652.27

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