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Finding the Fourth Proportional to 8,529.96, 12,793.02 and 3,057.96

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Solution

The fourth proportional to 8,529.96, 12,793.02 and 3,057.96 is: 4,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.96 : 12,793.02 = 3,057.96 : x
  2. Step 2: Convert to fraction form
    8,529.96/12,793.02 = 3,057.96/x
  3. Step 3: Cross multiply
    8,529.96x = 12,793.02 × 3,057.96
  4. Step 4: Simplify right side
    8,529.96x = 39,120,543.44
  5. Step 5: Solve for x
    x = 39,120,543.44/8,529.96
  6. Step 6: Final answer
    x = 4,586.25

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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.