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Finding the Fourth Proportional to 1,788.41, 2,682.52 and 1,172.61

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Solution

The fourth proportional to 1,788.41, 2,682.52 and 1,172.61 is: 1,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.41 : 2,682.52 = 1,172.61 : x
  2. Step 2: Convert to fraction form
    1,788.41/2,682.52 = 1,172.61/x
  3. Step 3: Cross multiply
    1,788.41x = 2,682.52 × 1,172.61
  4. Step 4: Simplify right side
    1,788.41x = 3,145,546.85
  5. Step 5: Solve for x
    x = 3,145,546.85/1,788.41
  6. Step 6: Final answer
    x = 1,758.85

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