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Finding the Fourth Proportional to 1,811.91, 2,500.49 and 1,025.94

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Solution

The fourth proportional to 1,811.91, 2,500.49 and 1,025.94 is: 1,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.91 : 2,500.49 = 1,025.94 : x
  2. Step 2: Convert to fraction form
    1,811.91/2,500.49 = 1,025.94/x
  3. Step 3: Cross multiply
    1,811.91x = 2,500.49 × 1,025.94
  4. Step 4: Simplify right side
    1,811.91x = 2,565,352.71
  5. Step 5: Solve for x
    x = 2,565,352.71/1,811.91
  6. Step 6: Final answer
    x = 1,415.83

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