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Finding the Fourth Proportional to 1,940.00, 2,911.82 and 1,509.89

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Solution

The fourth proportional to 1,940.00, 2,911.82 and 1,509.89 is: 2,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.00 : 2,911.82 = 1,509.89 : x
  2. Step 2: Convert to fraction form
    1,940.00/2,911.82 = 1,509.89/x
  3. Step 3: Cross multiply
    1,940.00x = 2,911.82 × 1,509.89
  4. Step 4: Simplify right side
    1,940.00x = 4,396,505.79
  5. Step 5: Solve for x
    x = 4,396,505.79/1,940.00
  6. Step 6: Final answer
    x = 2,266.25

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