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Finding the Fourth Proportional to 10,662.36, 15,995.43 and 5,125.74

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Solution

The fourth proportional to 10,662.36, 15,995.43 and 5,125.74 is: 7,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.36 : 15,995.43 = 5,125.74 : x
  2. Step 2: Convert to fraction form
    10,662.36/15,995.43 = 5,125.74/x
  3. Step 3: Cross multiply
    10,662.36x = 15,995.43 × 5,125.74
  4. Step 4: Simplify right side
    10,662.36x = 81,988,415.37
  5. Step 5: Solve for x
    x = 81,988,415.37/10,662.36
  6. Step 6: Final answer
    x = 7,689.52

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