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Finding the Fourth Proportional to 7,730.82, 10,668.78 and 4,194.18

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Solution

The fourth proportional to 7,730.82, 10,668.78 and 4,194.18 is: 5,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.82 : 10,668.78 = 4,194.18 : x
  2. Step 2: Convert to fraction form
    7,730.82/10,668.78 = 4,194.18/x
  3. Step 3: Cross multiply
    7,730.82x = 10,668.78 × 4,194.18
  4. Step 4: Simplify right side
    7,730.82x = 44,746,783.70
  5. Step 5: Solve for x
    x = 44,746,783.70/7,730.82
  6. Step 6: Final answer
    x = 5,788.10

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