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Finding the Fourth Proportional to 12,967.23, 19,452.65 and 4,199.31

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Solution

The fourth proportional to 12,967.23, 19,452.65 and 4,199.31 is: 6,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.23 : 19,452.65 = 4,199.31 : x
  2. Step 2: Convert to fraction form
    12,967.23/19,452.65 = 4,199.31/x
  3. Step 3: Cross multiply
    12,967.23x = 19,452.65 × 4,199.31
  4. Step 4: Simplify right side
    12,967.23x = 81,687,686.67
  5. Step 5: Solve for x
    x = 81,687,686.67/12,967.23
  6. Step 6: Final answer
    x = 6,299.55

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