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Finding the Fourth Proportional to 8,922.92, 13,382.48 and 5,631.62

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Solution

The fourth proportional to 8,922.92, 13,382.48 and 5,631.62 is: 8,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.92 : 13,382.48 = 5,631.62 : x
  2. Step 2: Convert to fraction form
    8,922.92/13,382.48 = 5,631.62/x
  3. Step 3: Cross multiply
    8,922.92x = 13,382.48 × 5,631.62
  4. Step 4: Simplify right side
    8,922.92x = 75,364,946.95
  5. Step 5: Solve for x
    x = 75,364,946.95/8,922.92
  6. Step 6: Final answer
    x = 8,446.22

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