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Finding the Fourth Proportional to 12,842.89, 19,264.06 and 5,917.39

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Solution

The fourth proportional to 12,842.89, 19,264.06 and 5,917.39 is: 8,875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.89 : 19,264.06 = 5,917.39 : x
  2. Step 2: Convert to fraction form
    12,842.89/19,264.06 = 5,917.39/x
  3. Step 3: Cross multiply
    12,842.89x = 19,264.06 × 5,917.39
  4. Step 4: Simplify right side
    12,842.89x = 113,992,915.24
  5. Step 5: Solve for x
    x = 113,992,915.24/12,842.89
  6. Step 6: Final answer
    x = 8,875.96

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