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Finding the Fourth Proportional to 3,940.31, 5,911.82 and 1,750.57

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Solution

The fourth proportional to 3,940.31, 5,911.82 and 1,750.57 is: 2,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.31 : 5,911.82 = 1,750.57 : x
  2. Step 2: Convert to fraction form
    3,940.31/5,911.82 = 1,750.57/x
  3. Step 3: Cross multiply
    3,940.31x = 5,911.82 × 1,750.57
  4. Step 4: Simplify right side
    3,940.31x = 10,349,054.74
  5. Step 5: Solve for x
    x = 10,349,054.74/3,940.31
  6. Step 6: Final answer
    x = 2,626.46

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