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Finding the Fourth Proportional to 16,895.18, 23,315.40 and 9,443.18

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Solution

The fourth proportional to 16,895.18, 23,315.40 and 9,443.18 is: 13,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.18 : 23,315.40 = 9,443.18 : x
  2. Step 2: Convert to fraction form
    16,895.18/23,315.40 = 9,443.18/x
  3. Step 3: Cross multiply
    16,895.18x = 23,315.40 × 9,443.18
  4. Step 4: Simplify right side
    16,895.18x = 220,171,518.97
  5. Step 5: Solve for x
    x = 220,171,518.97/16,895.18
  6. Step 6: Final answer
    x = 13,031.62

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