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Finding the Fourth Proportional to 14,695.58, 20,279.83 and 7,981.15

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Solution

The fourth proportional to 14,695.58, 20,279.83 and 7,981.15 is: 11,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.58 : 20,279.83 = 7,981.15 : x
  2. Step 2: Convert to fraction form
    14,695.58/20,279.83 = 7,981.15/x
  3. Step 3: Cross multiply
    14,695.58x = 20,279.83 × 7,981.15
  4. Step 4: Simplify right side
    14,695.58x = 161,856,294.55
  5. Step 5: Solve for x
    x = 161,856,294.55/14,695.58
  6. Step 6: Final answer
    x = 11,013.95

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