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Finding the Fourth Proportional to 1,797.84, 2,698.46 and 1,105.86

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Solution

The fourth proportional to 1,797.84, 2,698.46 and 1,105.86 is: 1,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.84 : 2,698.46 = 1,105.86 : x
  2. Step 2: Convert to fraction form
    1,797.84/2,698.46 = 1,105.86/x
  3. Step 3: Cross multiply
    1,797.84x = 2,698.46 × 1,105.86
  4. Step 4: Simplify right side
    1,797.84x = 2,984,127.71
  5. Step 5: Solve for x
    x = 2,984,127.71/1,797.84
  6. Step 6: Final answer
    x = 1,659.84

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