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Finding the Fourth Proportional to 7,792.18, 11,673.15 and 6,919.54

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Solution

The fourth proportional to 7,792.18, 11,673.15 and 6,919.54 is: 10,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.18 : 11,673.15 = 6,919.54 : x
  2. Step 2: Convert to fraction form
    7,792.18/11,673.15 = 6,919.54/x
  3. Step 3: Cross multiply
    7,792.18x = 11,673.15 × 6,919.54
  4. Step 4: Simplify right side
    7,792.18x = 80,772,828.35
  5. Step 5: Solve for x
    x = 80,772,828.35/7,792.18
  6. Step 6: Final answer
    x = 10,365.88

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