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Finding the Fourth Proportional to 67,053.96, 100,544.04 and 20,300.76

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Solution

The fourth proportional to 67,053.96, 100,544.04 and 20,300.76 is: 30,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,053.96 : 100,544.04 = 20,300.76 : x
  2. Step 2: Convert to fraction form
    67,053.96/100,544.04 = 20,300.76/x
  3. Step 3: Cross multiply
    67,053.96x = 100,544.04 × 20,300.76
  4. Step 4: Simplify right side
    67,053.96x = 2,041,120,425.47
  5. Step 5: Solve for x
    x = 2,041,120,425.47/67,053.96
  6. Step 6: Final answer
    x = 30,439.97

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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.