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Finding the Fourth Proportional to 49,485.54, 74,209.86 and 19,893.39

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Solution

The fourth proportional to 49,485.54, 74,209.86 and 19,893.39 is: 29,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485.54 : 74,209.86 = 19,893.39 : x
  2. Step 2: Convert to fraction form
    49,485.54/74,209.86 = 19,893.39/x
  3. Step 3: Cross multiply
    49,485.54x = 74,209.86 × 19,893.39
  4. Step 4: Simplify right side
    49,485.54x = 1,476,285,686.83
  5. Step 5: Solve for x
    x = 1,476,285,686.83/49,485.54
  6. Step 6: Final answer
    x = 29,832.67

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