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Finding the Fourth Proportional to 57,905.80, 86,793.90 and 24,620.20

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Solution

The fourth proportional to 57,905.80, 86,793.90 and 24,620.20 is: 36,902.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,905.80 : 86,793.90 = 24,620.20 : x
  2. Step 2: Convert to fraction form
    57,905.80/86,793.90 = 24,620.20/x
  3. Step 3: Cross multiply
    57,905.80x = 86,793.90 × 24,620.20
  4. Step 4: Simplify right side
    57,905.80x = 2,136,883,176.78
  5. Step 5: Solve for x
    x = 2,136,883,176.78/57,905.80
  6. Step 6: Final answer
    x = 36,902.75

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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.