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Finding the Fourth Proportional to 3,987.83, 5,979.35 and 1,522.83

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Solution

The fourth proportional to 3,987.83, 5,979.35 and 1,522.83 is: 2,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987.83 : 5,979.35 = 1,522.83 : x
  2. Step 2: Convert to fraction form
    3,987.83/5,979.35 = 1,522.83/x
  3. Step 3: Cross multiply
    3,987.83x = 5,979.35 × 1,522.83
  4. Step 4: Simplify right side
    3,987.83x = 9,105,525.95
  5. Step 5: Solve for x
    x = 9,105,525.95/3,987.83
  6. Step 6: Final answer
    x = 2,283.33

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