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Finding the Fourth Proportional to 38,652.36, 57,885.48 and 21,971.58

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Solution

The fourth proportional to 38,652.36, 57,885.48 and 21,971.58 is: 32,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652.36 : 57,885.48 = 21,971.58 : x
  2. Step 2: Convert to fraction form
    38,652.36/57,885.48 = 21,971.58/x
  3. Step 3: Cross multiply
    38,652.36x = 57,885.48 × 21,971.58
  4. Step 4: Simplify right side
    38,652.36x = 1,271,835,454.66
  5. Step 5: Solve for x
    x = 1,271,835,454.66/38,652.36
  6. Step 6: Final answer
    x = 32,904.47

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