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Finding the Fourth Proportional to 48,296.88, 66,761.22 and 40,292.46

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Solution

The fourth proportional to 48,296.88, 66,761.22 and 40,292.46 is: 55,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,296.88 : 66,761.22 = 40,292.46 : x
  2. Step 2: Convert to fraction form
    48,296.88/66,761.22 = 40,292.46/x
  3. Step 3: Cross multiply
    48,296.88x = 66,761.22 × 40,292.46
  4. Step 4: Simplify right side
    48,296.88x = 2,689,973,786.40
  5. Step 5: Solve for x
    x = 2,689,973,786.40/48,296.88
  6. Step 6: Final answer
    x = 55,696.64

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