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Finding the Fourth Proportional to 4,836.85, 7,255.03 and 1,326.80

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Solution

The fourth proportional to 4,836.85, 7,255.03 and 1,326.80 is: 1,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.85 : 7,255.03 = 1,326.80 : x
  2. Step 2: Convert to fraction form
    4,836.85/7,255.03 = 1,326.80/x
  3. Step 3: Cross multiply
    4,836.85x = 7,255.03 × 1,326.80
  4. Step 4: Simplify right side
    4,836.85x = 9,625,973.80
  5. Step 5: Solve for x
    x = 9,625,973.80/4,836.85
  6. Step 6: Final answer
    x = 1,990.13

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