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Finding the Fourth Proportional to 11,800.74, 17,712.05 and 5,961.45

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Solution

The fourth proportional to 11,800.74, 17,712.05 and 5,961.45 is: 8,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.74 : 17,712.05 = 5,961.45 : x
  2. Step 2: Convert to fraction form
    11,800.74/17,712.05 = 5,961.45/x
  3. Step 3: Cross multiply
    11,800.74x = 17,712.05 × 5,961.45
  4. Step 4: Simplify right side
    11,800.74x = 105,589,500.47
  5. Step 5: Solve for x
    x = 105,589,500.47/11,800.74
  6. Step 6: Final answer
    x = 8,947.70

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