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Finding the Fourth Proportional to 16,724.74, 25,083.91 and 8,402.45

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Solution

The fourth proportional to 16,724.74, 25,083.91 and 8,402.45 is: 12,602.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.74 : 25,083.91 = 8,402.45 : x
  2. Step 2: Convert to fraction form
    16,724.74/25,083.91 = 8,402.45/x
  3. Step 3: Cross multiply
    16,724.74x = 25,083.91 × 8,402.45
  4. Step 4: Simplify right side
    16,724.74x = 210,766,132.15
  5. Step 5: Solve for x
    x = 210,766,132.15/16,724.74
  6. Step 6: Final answer
    x = 12,602.06

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