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Finding the Fourth Proportional to 49,499.97, 68,309.54 and 27,993.94

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Solution

The fourth proportional to 49,499.97, 68,309.54 and 27,993.94 is: 38,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,499.97 : 68,309.54 = 27,993.94 : x
  2. Step 2: Convert to fraction form
    49,499.97/68,309.54 = 27,993.94/x
  3. Step 3: Cross multiply
    49,499.97x = 68,309.54 × 27,993.94
  4. Step 4: Simplify right side
    49,499.97x = 1,912,252,958.42
  5. Step 5: Solve for x
    x = 1,912,252,958.42/49,499.97
  6. Step 6: Final answer
    x = 38,631.40

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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.