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Finding the Fourth Proportional to 66,966.52, 92,414.94 and 36,754.66

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Solution

The fourth proportional to 66,966.52, 92,414.94 and 36,754.66 is: 50,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,966.52 : 92,414.94 = 36,754.66 : x
  2. Step 2: Convert to fraction form
    66,966.52/92,414.94 = 36,754.66/x
  3. Step 3: Cross multiply
    66,966.52x = 92,414.94 × 36,754.66
  4. Step 4: Simplify right side
    66,966.52x = 3,396,679,698.62
  5. Step 5: Solve for x
    x = 3,396,679,698.62/66,966.52
  6. Step 6: Final answer
    x = 50,722.06

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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.