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Finding the Fourth Proportional to 29,375.78, 40,538.43 and 15,946.92

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Solution

The fourth proportional to 29,375.78, 40,538.43 and 15,946.92 is: 22,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.78 : 40,538.43 = 15,946.92 : x
  2. Step 2: Convert to fraction form
    29,375.78/40,538.43 = 15,946.92/x
  3. Step 3: Cross multiply
    29,375.78x = 40,538.43 × 15,946.92
  4. Step 4: Simplify right side
    29,375.78x = 646,463,100.14
  5. Step 5: Solve for x
    x = 646,463,100.14/29,375.78
  6. Step 6: Final answer
    x = 22,006.67

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