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Finding the Fourth Proportional to 46,640.58, 69,965.73 and 19,989.24

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Solution

The fourth proportional to 46,640.58, 69,965.73 and 19,989.24 is: 29,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,640.58 : 69,965.73 = 19,989.24 : x
  2. Step 2: Convert to fraction form
    46,640.58/69,965.73 = 19,989.24/x
  3. Step 3: Cross multiply
    46,640.58x = 69,965.73 × 19,989.24
  4. Step 4: Simplify right side
    46,640.58x = 1,398,561,768.75
  5. Step 5: Solve for x
    x = 1,398,561,768.75/46,640.58
  6. Step 6: Final answer
    x = 29,985.94

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