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Finding the Fourth Proportional to 2,606.93, 3,907.65 and 1,619.75

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Solution

The fourth proportional to 2,606.93, 3,907.65 and 1,619.75 is: 2,427.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.93 : 3,907.65 = 1,619.75 : x
  2. Step 2: Convert to fraction form
    2,606.93/3,907.65 = 1,619.75/x
  3. Step 3: Cross multiply
    2,606.93x = 3,907.65 × 1,619.75
  4. Step 4: Simplify right side
    2,606.93x = 6,329,416.09
  5. Step 5: Solve for x
    x = 6,329,416.09/2,606.93
  6. Step 6: Final answer
    x = 2,427.92

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