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Finding the Fourth Proportional to 100,543.92, 150,790.96 and 33,982.57

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Solution

The fourth proportional to 100,543.92, 150,790.96 and 33,982.57 is: 50,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,543.92 : 150,790.96 = 33,982.57 : x
  2. Step 2: Convert to fraction form
    100,543.92/150,790.96 = 33,982.57/x
  3. Step 3: Cross multiply
    100,543.92x = 150,790.96 × 33,982.57
  4. Step 4: Simplify right side
    100,543.92x = 5,124,264,353.57
  5. Step 5: Solve for x
    x = 5,124,264,353.57/100,543.92
  6. Step 6: Final answer
    x = 50,965.43

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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.