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Finding the Fourth Proportional to 57,367.83, 85,990.22 and 27,720.31

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Solution

The fourth proportional to 57,367.83, 85,990.22 and 27,720.31 is: 41,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,367.83 : 85,990.22 = 27,720.31 : x
  2. Step 2: Convert to fraction form
    57,367.83/85,990.22 = 27,720.31/x
  3. Step 3: Cross multiply
    57,367.83x = 85,990.22 × 27,720.31
  4. Step 4: Simplify right side
    57,367.83x = 2,383,675,622.90
  5. Step 5: Solve for x
    x = 2,383,675,622.90/57,367.83
  6. Step 6: Final answer
    x = 41,550.74

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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.