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Finding the Fourth Proportional to 45,761.22, 68,634.77 and 12,483.99

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Solution

The fourth proportional to 45,761.22, 68,634.77 and 12,483.99 is: 18,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,761.22 : 68,634.77 = 12,483.99 : x
  2. Step 2: Convert to fraction form
    45,761.22/68,634.77 = 12,483.99/x
  3. Step 3: Cross multiply
    45,761.22x = 68,634.77 × 12,483.99
  4. Step 4: Simplify right side
    45,761.22x = 856,835,376.74
  5. Step 5: Solve for x
    x = 856,835,376.74/45,761.22
  6. Step 6: Final answer
    x = 18,724.05

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