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Finding the Fourth Proportional to 4,771.26, 7,156.89 and 2,835.90

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Solution

The fourth proportional to 4,771.26, 7,156.89 and 2,835.90 is: 4,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.26 : 7,156.89 = 2,835.90 : x
  2. Step 2: Convert to fraction form
    4,771.26/7,156.89 = 2,835.90/x
  3. Step 3: Cross multiply
    4,771.26x = 7,156.89 × 2,835.90
  4. Step 4: Simplify right side
    4,771.26x = 20,296,224.35
  5. Step 5: Solve for x
    x = 20,296,224.35/4,771.26
  6. Step 6: Final answer
    x = 4,253.85

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