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Finding the Fourth Proportional to 67,062.60, 100,520.46 and 27,609.12

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Solution

The fourth proportional to 67,062.60, 100,520.46 and 27,609.12 is: 41,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,062.60 : 100,520.46 = 27,609.12 : x
  2. Step 2: Convert to fraction form
    67,062.60/100,520.46 = 27,609.12/x
  3. Step 3: Cross multiply
    67,062.60x = 100,520.46 × 27,609.12
  4. Step 4: Simplify right side
    67,062.60x = 2,775,281,442.60
  5. Step 5: Solve for x
    x = 2,775,281,442.60/67,062.60
  6. Step 6: Final answer
    x = 41,383.45

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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.