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Finding the Fourth Proportional to 4,741.50, 7,114.29 and 1,819.44

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Solution

The fourth proportional to 4,741.50, 7,114.29 and 1,819.44 is: 2,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.50 : 7,114.29 = 1,819.44 : x
  2. Step 2: Convert to fraction form
    4,741.50/7,114.29 = 1,819.44/x
  3. Step 3: Cross multiply
    4,741.50x = 7,114.29 × 1,819.44
  4. Step 4: Simplify right side
    4,741.50x = 12,944,023.80
  5. Step 5: Solve for x
    x = 12,944,023.80/4,741.50
  6. Step 6: Final answer
    x = 2,729.94

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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.