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Finding the Fourth Proportional to 12,624.32, 18,935.76 and 3,859.04

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Solution

The fourth proportional to 12,624.32, 18,935.76 and 3,859.04 is: 5,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.32 : 18,935.76 = 3,859.04 : x
  2. Step 2: Convert to fraction form
    12,624.32/18,935.76 = 3,859.04/x
  3. Step 3: Cross multiply
    12,624.32x = 18,935.76 × 3,859.04
  4. Step 4: Simplify right side
    12,624.32x = 73,073,855.27
  5. Step 5: Solve for x
    x = 73,073,855.27/12,624.32
  6. Step 6: Final answer
    x = 5,788.34

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