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Finding the Fourth Proportional to 11,913.93, 17,872.89 and 4,017.15

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Solution

The fourth proportional to 11,913.93, 17,872.89 and 4,017.15 is: 6,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.93 : 17,872.89 = 4,017.15 : x
  2. Step 2: Convert to fraction form
    11,913.93/17,872.89 = 4,017.15/x
  3. Step 3: Cross multiply
    11,913.93x = 17,872.89 × 4,017.15
  4. Step 4: Simplify right side
    11,913.93x = 71,798,080.06
  5. Step 5: Solve for x
    x = 71,798,080.06/11,913.93
  6. Step 6: Final answer
    x = 6,026.40

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