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Finding the Fourth Proportional to 10,958.62, 16,433.72 and 8,623.22

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Solution

The fourth proportional to 10,958.62, 16,433.72 and 8,623.22 is: 12,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.62 : 16,433.72 = 8,623.22 : x
  2. Step 2: Convert to fraction form
    10,958.62/16,433.72 = 8,623.22/x
  3. Step 3: Cross multiply
    10,958.62x = 16,433.72 × 8,623.22
  4. Step 4: Simplify right side
    10,958.62x = 141,711,582.98
  5. Step 5: Solve for x
    x = 141,711,582.98/10,958.62
  6. Step 6: Final answer
    x = 12,931.52

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