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Finding the Fourth Proportional to 47,091.90, 70,593.93 and 15,905.34

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Solution

The fourth proportional to 47,091.90, 70,593.93 and 15,905.34 is: 23,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,091.90 : 70,593.93 = 15,905.34 : x
  2. Step 2: Convert to fraction form
    47,091.90/70,593.93 = 15,905.34/x
  3. Step 3: Cross multiply
    47,091.90x = 70,593.93 × 15,905.34
  4. Step 4: Simplify right side
    47,091.90x = 1,122,820,458.59
  5. Step 5: Solve for x
    x = 1,122,820,458.59/47,091.90
  6. Step 6: Final answer
    x = 23,843.18

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