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Finding the Fourth Proportional to 57,058.74, 85,596.30 and 17,619.21

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Solution

The fourth proportional to 57,058.74, 85,596.30 and 17,619.21 is: 26,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.74 : 85,596.30 = 17,619.21 : x
  2. Step 2: Convert to fraction form
    57,058.74/85,596.30 = 17,619.21/x
  3. Step 3: Cross multiply
    57,058.74x = 85,596.30 × 17,619.21
  4. Step 4: Simplify right side
    57,058.74x = 1,508,139,184.92
  5. Step 5: Solve for x
    x = 1,508,139,184.92/57,058.74
  6. Step 6: Final answer
    x = 26,431.34

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