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Finding the Fourth Proportional to 3,705.73, 5,560.81 and 1,333.61

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Solution

The fourth proportional to 3,705.73, 5,560.81 and 1,333.61 is: 2,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.73 : 5,560.81 = 1,333.61 : x
  2. Step 2: Convert to fraction form
    3,705.73/5,560.81 = 1,333.61/x
  3. Step 3: Cross multiply
    3,705.73x = 5,560.81 × 1,333.61
  4. Step 4: Simplify right side
    3,705.73x = 7,415,951.82
  5. Step 5: Solve for x
    x = 7,415,951.82/3,705.73
  6. Step 6: Final answer
    x = 2,001.21

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