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Finding the Fourth Proportional to 5,735.86, 7,914.45 and 3,850.18

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Solution

The fourth proportional to 5,735.86, 7,914.45 and 3,850.18 is: 5,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.86 : 7,914.45 = 3,850.18 : x
  2. Step 2: Convert to fraction form
    5,735.86/7,914.45 = 3,850.18/x
  3. Step 3: Cross multiply
    5,735.86x = 7,914.45 × 3,850.18
  4. Step 4: Simplify right side
    5,735.86x = 30,472,057.10
  5. Step 5: Solve for x
    x = 30,472,057.10/5,735.86
  6. Step 6: Final answer
    x = 5,312.55

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