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Finding the Fourth Proportional to 48,857.92, 73,286.68 and 20,773.60

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Solution

The fourth proportional to 48,857.92, 73,286.68 and 20,773.60 is: 31,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,857.92 : 73,286.68 = 20,773.60 : x
  2. Step 2: Convert to fraction form
    48,857.92/73,286.68 = 20,773.60/x
  3. Step 3: Cross multiply
    48,857.92x = 73,286.68 × 20,773.60
  4. Step 4: Simplify right side
    48,857.92x = 1,522,428,175.65
  5. Step 5: Solve for x
    x = 1,522,428,175.65/48,857.92
  6. Step 6: Final answer
    x = 31,160.31

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1.5x scale

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.