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Finding the Fourth Proportional to 8,696.42, 13,036.82 and 3,148.46

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Solution

The fourth proportional to 8,696.42, 13,036.82 and 3,148.46 is: 4,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.42 : 13,036.82 = 3,148.46 : x
  2. Step 2: Convert to fraction form
    8,696.42/13,036.82 = 3,148.46/x
  3. Step 3: Cross multiply
    8,696.42x = 13,036.82 × 3,148.46
  4. Step 4: Simplify right side
    8,696.42x = 41,045,906.30
  5. Step 5: Solve for x
    x = 41,045,906.30/8,696.42
  6. Step 6: Final answer
    x = 4,719.86

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