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Finding the Fourth Proportional to 12,799.07, 17,656.98 and 7,491.54

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Solution

The fourth proportional to 12,799.07, 17,656.98 and 7,491.54 is: 10,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.07 : 17,656.98 = 7,491.54 : x
  2. Step 2: Convert to fraction form
    12,799.07/17,656.98 = 7,491.54/x
  3. Step 3: Cross multiply
    12,799.07x = 17,656.98 × 7,491.54
  4. Step 4: Simplify right side
    12,799.07x = 132,277,971.95
  5. Step 5: Solve for x
    x = 132,277,971.95/12,799.07
  6. Step 6: Final answer
    x = 10,334.97

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