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Finding the Fourth Proportional to 4,793.52, 7,188.28 and 2,021.44

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Solution

The fourth proportional to 4,793.52, 7,188.28 and 2,021.44 is: 3,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.52 : 7,188.28 = 2,021.44 : x
  2. Step 2: Convert to fraction form
    4,793.52/7,188.28 = 2,021.44/x
  3. Step 3: Cross multiply
    4,793.52x = 7,188.28 × 2,021.44
  4. Step 4: Simplify right side
    4,793.52x = 14,530,676.72
  5. Step 5: Solve for x
    x = 14,530,676.72/4,793.52
  6. Step 6: Final answer
    x = 3,031.32

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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.