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Finding the Fourth Proportional to 73,531.20, 101,469.60 and 41,697.60

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Solution

The fourth proportional to 73,531.20, 101,469.60 and 41,697.60 is: 57,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,531.20 : 101,469.60 = 41,697.60 : x
  2. Step 2: Convert to fraction form
    73,531.20/101,469.60 = 41,697.60/x
  3. Step 3: Cross multiply
    73,531.20x = 101,469.60 × 41,697.60
  4. Step 4: Simplify right side
    73,531.20x = 4,231,038,792.96
  5. Step 5: Solve for x
    x = 4,231,038,792.96/73,531.20
  6. Step 6: Final answer
    x = 57,540.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.