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Finding the Fourth Proportional to 67,265.70, 100,910.70 and 33,901.80

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Solution

The fourth proportional to 67,265.70, 100,910.70 and 33,901.80 is: 50,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,265.70 : 100,910.70 = 33,901.80 : x
  2. Step 2: Convert to fraction form
    67,265.70/100,910.70 = 33,901.80/x
  3. Step 3: Cross multiply
    67,265.70x = 100,910.70 × 33,901.80
  4. Step 4: Simplify right side
    67,265.70x = 3,421,054,369.26
  5. Step 5: Solve for x
    x = 3,421,054,369.26/67,265.70
  6. Step 6: Final answer
    x = 50,858.82

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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.