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Finding the Fourth Proportional to 11,299.25, 16,948.88 and 3,091.25

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Solution

The fourth proportional to 11,299.25, 16,948.88 and 3,091.25 is: 4,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.25 : 16,948.88 = 3,091.25 : x
  2. Step 2: Convert to fraction form
    11,299.25/16,948.88 = 3,091.25/x
  3. Step 3: Cross multiply
    11,299.25x = 16,948.88 × 3,091.25
  4. Step 4: Simplify right side
    11,299.25x = 52,393,225.30
  5. Step 5: Solve for x
    x = 52,393,225.30/11,299.25
  6. Step 6: Final answer
    x = 4,636.88

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