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Finding the Fourth Proportional to 66,732.65, 92,091.07 and 36,517.98

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Solution

The fourth proportional to 66,732.65, 92,091.07 and 36,517.98 is: 50,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,732.65 : 92,091.07 = 36,517.98 : x
  2. Step 2: Convert to fraction form
    66,732.65/92,091.07 = 36,517.98/x
  3. Step 3: Cross multiply
    66,732.65x = 92,091.07 × 36,517.98
  4. Step 4: Simplify right side
    66,732.65x = 3,362,979,761.14
  5. Step 5: Solve for x
    x = 3,362,979,761.14/66,732.65
  6. Step 6: Final answer
    x = 50,394.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.