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Finding the Fourth Proportional to 1,511.00, 2,267.82 and 1,265.72

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Solution

The fourth proportional to 1,511.00, 2,267.82 and 1,265.72 is: 1,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.00 : 2,267.82 = 1,265.72 : x
  2. Step 2: Convert to fraction form
    1,511.00/2,267.82 = 1,265.72/x
  3. Step 3: Cross multiply
    1,511.00x = 2,267.82 × 1,265.72
  4. Step 4: Simplify right side
    1,511.00x = 2,870,413.79
  5. Step 5: Solve for x
    x = 2,870,413.79/1,511.00
  6. Step 6: Final answer
    x = 1,899.68

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