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Finding the Fourth Proportional to 71,732, 107,615.28 and 22,484

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Solution

The fourth proportional to 71,732, 107,615.28 and 22,484 is: 33,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,732 : 107,615.28 = 22,484 : x
  2. Step 2: Convert to fraction form
    71,732/107,615.28 = 22,484/x
  3. Step 3: Cross multiply
    71,732x = 107,615.28 × 22,484
  4. Step 4: Simplify right side
    71,732x = 2,419,621,955.52
  5. Step 5: Solve for x
    x = 2,419,621,955.52/71,732
  6. Step 6: Final answer
    x = 33,731.42

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