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Finding the Fourth Proportional to 18,581.76, 27,872.82 and 4,730.76

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Solution

The fourth proportional to 18,581.76, 27,872.82 and 4,730.76 is: 7,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.76 : 27,872.82 = 4,730.76 : x
  2. Step 2: Convert to fraction form
    18,581.76/27,872.82 = 4,730.76/x
  3. Step 3: Cross multiply
    18,581.76x = 27,872.82 × 4,730.76
  4. Step 4: Simplify right side
    18,581.76x = 131,859,621.94
  5. Step 5: Solve for x
    x = 131,859,621.94/18,581.76
  6. Step 6: Final answer
    x = 7,096.19

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