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Finding the Fourth Proportional to 66,967.20, 92,414.47 and 36,753.02

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Solution

The fourth proportional to 66,967.20, 92,414.47 and 36,753.02 is: 50,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,967.20 : 92,414.47 = 36,753.02 : x
  2. Step 2: Convert to fraction form
    66,967.20/92,414.47 = 36,753.02/x
  3. Step 3: Cross multiply
    66,967.20x = 92,414.47 × 36,753.02
  4. Step 4: Simplify right side
    66,967.20x = 3,396,510,864.20
  5. Step 5: Solve for x
    x = 3,396,510,864.20/66,967.20
  6. Step 6: Final answer
    x = 50,719.02

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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.