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Finding the Fourth Proportional to 67,035.40, 100,609.80 and 27,620.80

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Solution

The fourth proportional to 67,035.40, 100,609.80 and 27,620.80 is: 41,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,035.40 : 100,609.80 = 27,620.80 : x
  2. Step 2: Convert to fraction form
    67,035.40/100,609.80 = 27,620.80/x
  3. Step 3: Cross multiply
    67,035.40x = 100,609.80 × 27,620.80
  4. Step 4: Simplify right side
    67,035.40x = 2,778,923,163.84
  5. Step 5: Solve for x
    x = 2,778,923,163.84/67,035.40
  6. Step 6: Final answer
    x = 41,454.56

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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.