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Finding the Fourth Proportional to 31,643.15, 43,665.72 and 17,495.07

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Solution

The fourth proportional to 31,643.15, 43,665.72 and 17,495.07 is: 24,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,643.15 : 43,665.72 = 17,495.07 : x
  2. Step 2: Convert to fraction form
    31,643.15/43,665.72 = 17,495.07/x
  3. Step 3: Cross multiply
    31,643.15x = 43,665.72 × 17,495.07
  4. Step 4: Simplify right side
    31,643.15x = 763,934,828.00
  5. Step 5: Solve for x
    x = 763,934,828.00/31,643.15
  6. Step 6: Final answer
    x = 24,142.19

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