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Finding the Fourth Proportional to 67,016.26, 100,546.26 and 33,720.40

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Solution

The fourth proportional to 67,016.26, 100,546.26 and 33,720.40 is: 50,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,016.26 : 100,546.26 = 33,720.40 : x
  2. Step 2: Convert to fraction form
    67,016.26/100,546.26 = 33,720.40/x
  3. Step 3: Cross multiply
    67,016.26x = 100,546.26 × 33,720.40
  4. Step 4: Simplify right side
    67,016.26x = 3,390,460,105.70
  5. Step 5: Solve for x
    x = 3,390,460,105.70/67,016.26
  6. Step 6: Final answer
    x = 50,591.60

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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.