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Finding the Fourth Proportional to 33,993.81, 50,973.19 and 15,257.78

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Solution

The fourth proportional to 33,993.81, 50,973.19 and 15,257.78 is: 22,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,993.81 : 50,973.19 = 15,257.78 : x
  2. Step 2: Convert to fraction form
    33,993.81/50,973.19 = 15,257.78/x
  3. Step 3: Cross multiply
    33,993.81x = 50,973.19 × 15,257.78
  4. Step 4: Simplify right side
    33,993.81x = 777,737,946.69
  5. Step 5: Solve for x
    x = 777,737,946.69/33,993.81
  6. Step 6: Final answer
    x = 22,878.81

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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.