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Finding the Fourth Proportional to 6,717.30, 10,075.90 and 1,787.29

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Solution

The fourth proportional to 6,717.30, 10,075.90 and 1,787.29 is: 2,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.30 : 10,075.90 = 1,787.29 : x
  2. Step 2: Convert to fraction form
    6,717.30/10,075.90 = 1,787.29/x
  3. Step 3: Cross multiply
    6,717.30x = 10,075.90 × 1,787.29
  4. Step 4: Simplify right side
    6,717.30x = 18,008,525.65
  5. Step 5: Solve for x
    x = 18,008,525.65/6,717.30
  6. Step 6: Final answer
    x = 2,680.92

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