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Finding the Fourth Proportional to 4,072.07, 6,107.98 and 1,298.91

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Solution

The fourth proportional to 4,072.07, 6,107.98 and 1,298.91 is: 1,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.07 : 6,107.98 = 1,298.91 : x
  2. Step 2: Convert to fraction form
    4,072.07/6,107.98 = 1,298.91/x
  3. Step 3: Cross multiply
    4,072.07x = 6,107.98 × 1,298.91
  4. Step 4: Simplify right side
    4,072.07x = 7,933,724.87
  5. Step 5: Solve for x
    x = 7,933,724.87/4,072.07
  6. Step 6: Final answer
    x = 1,948.33

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