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Finding the Fourth Proportional to 4,793.76, 7,188.48 and 2,820.33

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Solution

The fourth proportional to 4,793.76, 7,188.48 and 2,820.33 is: 4,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.76 : 7,188.48 = 2,820.33 : x
  2. Step 2: Convert to fraction form
    4,793.76/7,188.48 = 2,820.33/x
  3. Step 3: Cross multiply
    4,793.76x = 7,188.48 × 2,820.33
  4. Step 4: Simplify right side
    4,793.76x = 20,273,885.80
  5. Step 5: Solve for x
    x = 20,273,885.80/4,793.76
  6. Step 6: Final answer
    x = 4,229.22

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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.