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Finding the Fourth Proportional to 5,637.87, 8,454.72 and 1,939.08

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Solution

The fourth proportional to 5,637.87, 8,454.72 and 1,939.08 is: 2,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.87 : 8,454.72 = 1,939.08 : x
  2. Step 2: Convert to fraction form
    5,637.87/8,454.72 = 1,939.08/x
  3. Step 3: Cross multiply
    5,637.87x = 8,454.72 × 1,939.08
  4. Step 4: Simplify right side
    5,637.87x = 16,394,378.46
  5. Step 5: Solve for x
    x = 16,394,378.46/5,637.87
  6. Step 6: Final answer
    x = 2,907.90

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