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Finding the Fourth Proportional to 67,084.60, 100,654.62 and 33,786.76

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Solution

The fourth proportional to 67,084.60, 100,654.62 and 33,786.76 is: 50,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,084.60 : 100,654.62 = 33,786.76 : x
  2. Step 2: Convert to fraction form
    67,084.60/100,654.62 = 33,786.76/x
  3. Step 3: Cross multiply
    67,084.60x = 100,654.62 × 33,786.76
  4. Step 4: Simplify right side
    67,084.60x = 3,400,793,488.83
  5. Step 5: Solve for x
    x = 3,400,793,488.83/67,084.60
  6. Step 6: Final answer
    x = 50,694.10

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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.