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Finding the Fourth Proportional to 49,805.73, 68,731.90 and 27,449.73

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Solution

The fourth proportional to 49,805.73, 68,731.90 and 27,449.73 is: 37,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,805.73 : 68,731.90 = 27,449.73 : x
  2. Step 2: Convert to fraction form
    49,805.73/68,731.90 = 27,449.73/x
  3. Step 3: Cross multiply
    49,805.73x = 68,731.90 × 27,449.73
  4. Step 4: Simplify right side
    49,805.73x = 1,886,672,097.39
  5. Step 5: Solve for x
    x = 1,886,672,097.39/49,805.73
  6. Step 6: Final answer
    x = 37,880.62

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1.5x scale

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.