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Finding the Fourth Proportional to 8,959.83, 12,364.54 and 4,981.29

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Solution

The fourth proportional to 8,959.83, 12,364.54 and 4,981.29 is: 6,874.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.83 : 12,364.54 = 4,981.29 : x
  2. Step 2: Convert to fraction form
    8,959.83/12,364.54 = 4,981.29/x
  3. Step 3: Cross multiply
    8,959.83x = 12,364.54 × 4,981.29
  4. Step 4: Simplify right side
    8,959.83x = 61,591,359.46
  5. Step 5: Solve for x
    x = 61,591,359.46/8,959.83
  6. Step 6: Final answer
    x = 6,874.17

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