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Finding the Fourth Proportional to 47,659.62, 65,773.26 and 27,520.20

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Solution

The fourth proportional to 47,659.62, 65,773.26 and 27,520.20 is: 37,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,659.62 : 65,773.26 = 27,520.20 : x
  2. Step 2: Convert to fraction form
    47,659.62/65,773.26 = 27,520.20/x
  3. Step 3: Cross multiply
    47,659.62x = 65,773.26 × 27,520.20
  4. Step 4: Simplify right side
    47,659.62x = 1,810,093,269.85
  5. Step 5: Solve for x
    x = 1,810,093,269.85/47,659.62
  6. Step 6: Final answer
    x = 37,979.60

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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.