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Finding the Fourth Proportional to 57,734.10, 86,601.15 and 35,687.70

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Solution

The fourth proportional to 57,734.10, 86,601.15 and 35,687.70 is: 53,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.10 : 86,601.15 = 35,687.70 : x
  2. Step 2: Convert to fraction form
    57,734.10/86,601.15 = 35,687.70/x
  3. Step 3: Cross multiply
    57,734.10x = 86,601.15 × 35,687.70
  4. Step 4: Simplify right side
    57,734.10x = 3,090,595,860.86
  5. Step 5: Solve for x
    x = 3,090,595,860.86/57,734.10
  6. Step 6: Final answer
    x = 53,531.55

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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.