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Finding the Fourth Proportional to 8,819.12, 13,233.20 and 5,859.63

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Solution

The fourth proportional to 8,819.12, 13,233.20 and 5,859.63 is: 8,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.12 : 13,233.20 = 5,859.63 : x
  2. Step 2: Convert to fraction form
    8,819.12/13,233.20 = 5,859.63/x
  3. Step 3: Cross multiply
    8,819.12x = 13,233.20 × 5,859.63
  4. Step 4: Simplify right side
    8,819.12x = 77,541,655.72
  5. Step 5: Solve for x
    x = 77,541,655.72/8,819.12
  6. Step 6: Final answer
    x = 8,792.45

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