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Finding the Fourth Proportional to 67,512.40, 101,268.60 and 36,019.60

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Solution

The fourth proportional to 67,512.40, 101,268.60 and 36,019.60 is: 54,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,512.40 : 101,268.60 = 36,019.60 : x
  2. Step 2: Convert to fraction form
    67,512.40/101,268.60 = 36,019.60/x
  3. Step 3: Cross multiply
    67,512.40x = 101,268.60 × 36,019.60
  4. Step 4: Simplify right side
    67,512.40x = 3,647,654,464.56
  5. Step 5: Solve for x
    x = 3,647,654,464.56/67,512.40
  6. Step 6: Final answer
    x = 54,029.40

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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.