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Finding the Fourth Proportional to 66,537.43, 99,844.42 and 36,952.79

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Solution

The fourth proportional to 66,537.43, 99,844.42 and 36,952.79 is: 55,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537.43 : 99,844.42 = 36,952.79 : x
  2. Step 2: Convert to fraction form
    66,537.43/99,844.42 = 36,952.79/x
  3. Step 3: Cross multiply
    66,537.43x = 99,844.42 × 36,952.79
  4. Step 4: Simplify right side
    66,537.43x = 3,689,529,884.93
  5. Step 5: Solve for x
    x = 3,689,529,884.93/66,537.43
  6. Step 6: Final answer
    x = 55,450.44

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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.