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Finding the Fourth Proportional to 2,940.76, 4,411.02 and 1,185.25

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Solution

The fourth proportional to 2,940.76, 4,411.02 and 1,185.25 is: 1,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.76 : 4,411.02 = 1,185.25 : x
  2. Step 2: Convert to fraction form
    2,940.76/4,411.02 = 1,185.25/x
  3. Step 3: Cross multiply
    2,940.76x = 4,411.02 × 1,185.25
  4. Step 4: Simplify right side
    2,940.76x = 5,228,139.40
  5. Step 5: Solve for x
    x = 5,228,139.40/2,940.76
  6. Step 6: Final answer
    x = 1,777.82

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