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Finding the Fourth Proportional to 12,836.84, 19,255.89 and 4,070.94

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Solution

The fourth proportional to 12,836.84, 19,255.89 and 4,070.94 is: 6,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.84 : 19,255.89 = 4,070.94 : x
  2. Step 2: Convert to fraction form
    12,836.84/19,255.89 = 4,070.94/x
  3. Step 3: Cross multiply
    12,836.84x = 19,255.89 × 4,070.94
  4. Step 4: Simplify right side
    12,836.84x = 78,389,572.84
  5. Step 5: Solve for x
    x = 78,389,572.84/12,836.84
  6. Step 6: Final answer
    x = 6,106.61

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