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Finding the Fourth Proportional to 16,918.44, 25,381.32 and 7,058.72

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Solution

The fourth proportional to 16,918.44, 25,381.32 and 7,058.72 is: 10,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.44 : 25,381.32 = 7,058.72 : x
  2. Step 2: Convert to fraction form
    16,918.44/25,381.32 = 7,058.72/x
  3. Step 3: Cross multiply
    16,918.44x = 25,381.32 × 7,058.72
  4. Step 4: Simplify right side
    16,918.44x = 179,159,631.11
  5. Step 5: Solve for x
    x = 179,159,631.11/16,918.44
  6. Step 6: Final answer
    x = 10,589.61

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