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Finding the Fourth Proportional to 1,922.78, 2,651.83 and 1,624.73

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Solution

The fourth proportional to 1,922.78, 2,651.83 and 1,624.73 is: 2,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.78 : 2,651.83 = 1,624.73 : x
  2. Step 2: Convert to fraction form
    1,922.78/2,651.83 = 1,624.73/x
  3. Step 3: Cross multiply
    1,922.78x = 2,651.83 × 1,624.73
  4. Step 4: Simplify right side
    1,922.78x = 4,308,507.76
  5. Step 5: Solve for x
    x = 4,308,507.76/1,922.78
  6. Step 6: Final answer
    x = 2,240.77

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