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Finding the Fourth Proportional to 40,696.72, 61,084.54 and 19,651.60

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Solution

The fourth proportional to 40,696.72, 61,084.54 and 19,651.60 is: 29,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,696.72 : 61,084.54 = 19,651.60 : x
  2. Step 2: Convert to fraction form
    40,696.72/61,084.54 = 19,651.60/x
  3. Step 3: Cross multiply
    40,696.72x = 61,084.54 × 19,651.60
  4. Step 4: Simplify right side
    40,696.72x = 1,200,408,946.26
  5. Step 5: Solve for x
    x = 1,200,408,946.26/40,696.72
  6. Step 6: Final answer
    x = 29,496.45

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