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Finding the Fourth Proportional to 69,952.88, 104,960.31 and 36,665.03

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Solution

The fourth proportional to 69,952.88, 104,960.31 and 36,665.03 is: 55,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.88 : 104,960.31 = 36,665.03 : x
  2. Step 2: Convert to fraction form
    69,952.88/104,960.31 = 36,665.03/x
  3. Step 3: Cross multiply
    69,952.88x = 104,960.31 × 36,665.03
  4. Step 4: Simplify right side
    69,952.88x = 3,848,373,039.87
  5. Step 5: Solve for x
    x = 3,848,373,039.87/69,952.88
  6. Step 6: Final answer
    x = 55,013.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.