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Finding the Fourth Proportional to 5,107.02, 7,660.61 and 1,409.22

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Solution

The fourth proportional to 5,107.02, 7,660.61 and 1,409.22 is: 2,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.02 : 7,660.61 = 1,409.22 : x
  2. Step 2: Convert to fraction form
    5,107.02/7,660.61 = 1,409.22/x
  3. Step 3: Cross multiply
    5,107.02x = 7,660.61 × 1,409.22
  4. Step 4: Simplify right side
    5,107.02x = 10,795,477.78
  5. Step 5: Solve for x
    x = 10,795,477.78/5,107.02
  6. Step 6: Final answer
    x = 2,113.85

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