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Finding the Fourth Proportional to 13,005.82, 17,948.64 and 7,342.84

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Solution

The fourth proportional to 13,005.82, 17,948.64 and 7,342.84 is: 10,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.82 : 17,948.64 = 7,342.84 : x
  2. Step 2: Convert to fraction form
    13,005.82/17,948.64 = 7,342.84/x
  3. Step 3: Cross multiply
    13,005.82x = 17,948.64 × 7,342.84
  4. Step 4: Simplify right side
    13,005.82x = 131,793,991.74
  5. Step 5: Solve for x
    x = 131,793,991.74/13,005.82
  6. Step 6: Final answer
    x = 10,133.46

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