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Finding the Fourth Proportional to 11,847.61, 17,756.00 and 4,819.43

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Solution

The fourth proportional to 11,847.61, 17,756.00 and 4,819.43 is: 7,222.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.61 : 17,756.00 = 4,819.43 : x
  2. Step 2: Convert to fraction form
    11,847.61/17,756.00 = 4,819.43/x
  3. Step 3: Cross multiply
    11,847.61x = 17,756.00 × 4,819.43
  4. Step 4: Simplify right side
    11,847.61x = 85,573,837.45
  5. Step 5: Solve for x
    x = 85,573,837.45/11,847.61
  6. Step 6: Final answer
    x = 7,222.88

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