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Finding the Fourth Proportional to 50,097.92, 69,076.44 and 39,993.98

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Solution

The fourth proportional to 50,097.92, 69,076.44 and 39,993.98 is: 55,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,097.92 : 69,076.44 = 39,993.98 : x
  2. Step 2: Convert to fraction form
    50,097.92/69,076.44 = 39,993.98/x
  3. Step 3: Cross multiply
    50,097.92x = 69,076.44 × 39,993.98
  4. Step 4: Simplify right side
    50,097.92x = 2,762,641,759.83
  5. Step 5: Solve for x
    x = 2,762,641,759.83/50,097.92
  6. Step 6: Final answer
    x = 55,144.84

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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.