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Finding the Fourth Proportional to 7,110.99, 10,667.70 and 2,668.28

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Solution

The fourth proportional to 7,110.99, 10,667.70 and 2,668.28 is: 4,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.99 : 10,667.70 = 2,668.28 : x
  2. Step 2: Convert to fraction form
    7,110.99/10,667.70 = 2,668.28/x
  3. Step 3: Cross multiply
    7,110.99x = 10,667.70 × 2,668.28
  4. Step 4: Simplify right side
    7,110.99x = 28,464,357.22
  5. Step 5: Solve for x
    x = 28,464,357.22/7,110.99
  6. Step 6: Final answer
    x = 4,002.87

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