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Finding the Fourth Proportional to 3,493.13, 4,819.23 and 2,000.03

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Solution

The fourth proportional to 3,493.13, 4,819.23 and 2,000.03 is: 2,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.13 : 4,819.23 = 2,000.03 : x
  2. Step 2: Convert to fraction form
    3,493.13/4,819.23 = 2,000.03/x
  3. Step 3: Cross multiply
    3,493.13x = 4,819.23 × 2,000.03
  4. Step 4: Simplify right side
    3,493.13x = 9,638,580.48
  5. Step 5: Solve for x
    x = 9,638,580.48/3,493.13
  6. Step 6: Final answer
    x = 2,759.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.