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Finding the Fourth Proportional to 4,498.88, 6,747.82 and 1,212.30

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Solution

The fourth proportional to 4,498.88, 6,747.82 and 1,212.30 is: 1,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.88 : 6,747.82 = 1,212.30 : x
  2. Step 2: Convert to fraction form
    4,498.88/6,747.82 = 1,212.30/x
  3. Step 3: Cross multiply
    4,498.88x = 6,747.82 × 1,212.30
  4. Step 4: Simplify right side
    4,498.88x = 8,180,382.19
  5. Step 5: Solve for x
    x = 8,180,382.19/4,498.88
  6. Step 6: Final answer
    x = 1,818.32

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