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Finding the Fourth Proportional to 21,250.48, 29,325.80 and 11,819.12

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Solution

The fourth proportional to 21,250.48, 29,325.80 and 11,819.12 is: 16,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.48 : 29,325.80 = 11,819.12 : x
  2. Step 2: Convert to fraction form
    21,250.48/29,325.80 = 11,819.12/x
  3. Step 3: Cross multiply
    21,250.48x = 29,325.80 × 11,819.12
  4. Step 4: Simplify right side
    21,250.48x = 346,605,149.30
  5. Step 5: Solve for x
    x = 346,605,149.30/21,250.48
  6. Step 6: Final answer
    x = 16,310.46

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