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Finding the Fourth Proportional to 3,492.14, 4,819.60 and 2,000.19

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Solution

The fourth proportional to 3,492.14, 4,819.60 and 2,000.19 is: 2,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.14 : 4,819.60 = 2,000.19 : x
  2. Step 2: Convert to fraction form
    3,492.14/4,819.60 = 2,000.19/x
  3. Step 3: Cross multiply
    3,492.14x = 4,819.60 × 2,000.19
  4. Step 4: Simplify right side
    3,492.14x = 9,640,136.30
  5. Step 5: Solve for x
    x = 9,640,136.30/3,492.14
  6. Step 6: Final answer
    x = 2,760.53

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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.