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Finding the Fourth Proportional to 4,782.12, 6,599.40 and 2,919.12

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Solution

The fourth proportional to 4,782.12, 6,599.40 and 2,919.12 is: 4,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.12 : 6,599.40 = 2,919.12 : x
  2. Step 2: Convert to fraction form
    4,782.12/6,599.40 = 2,919.12/x
  3. Step 3: Cross multiply
    4,782.12x = 6,599.40 × 2,919.12
  4. Step 4: Simplify right side
    4,782.12x = 19,264,440.53
  5. Step 5: Solve for x
    x = 19,264,440.53/4,782.12
  6. Step 6: Final answer
    x = 4,028.43

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