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Finding the Fourth Proportional to 17,592.55, 26,390.21 and 5,112.79

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Solution

The fourth proportional to 17,592.55, 26,390.21 and 5,112.79 is: 7,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,592.55 : 26,390.21 = 5,112.79 : x
  2. Step 2: Convert to fraction form
    17,592.55/26,390.21 = 5,112.79/x
  3. Step 3: Cross multiply
    17,592.55x = 26,390.21 × 5,112.79
  4. Step 4: Simplify right side
    17,592.55x = 134,927,601.79
  5. Step 5: Solve for x
    x = 134,927,601.79/17,592.55
  6. Step 6: Final answer
    x = 7,669.59

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