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Finding the Fourth Proportional to 13,058.57, 19,583.69 and 4,291.46

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Solution

The fourth proportional to 13,058.57, 19,583.69 and 4,291.46 is: 6,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.57 : 19,583.69 = 4,291.46 : x
  2. Step 2: Convert to fraction form
    13,058.57/19,583.69 = 4,291.46/x
  3. Step 3: Cross multiply
    13,058.57x = 19,583.69 × 4,291.46
  4. Step 4: Simplify right side
    13,058.57x = 84,042,535.10
  5. Step 5: Solve for x
    x = 84,042,535.10/13,058.57
  6. Step 6: Final answer
    x = 6,435.82

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