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Finding the Fourth Proportional to 37,886.81, 56,757.51 and 21,196.28

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Solution

The fourth proportional to 37,886.81, 56,757.51 and 21,196.28 is: 31,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.81 : 56,757.51 = 21,196.28 : x
  2. Step 2: Convert to fraction form
    37,886.81/56,757.51 = 21,196.28/x
  3. Step 3: Cross multiply
    37,886.81x = 56,757.51 × 21,196.28
  4. Step 4: Simplify right side
    37,886.81x = 1,203,048,215.96
  5. Step 5: Solve for x
    x = 1,203,048,215.96/37,886.81
  6. Step 6: Final answer
    x = 31,753.75

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