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Finding the Fourth Proportional to 4,819.92, 7,230.96 and 1,898.52

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Solution

The fourth proportional to 4,819.92, 7,230.96 and 1,898.52 is: 2,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.92 : 7,230.96 = 1,898.52 : x
  2. Step 2: Convert to fraction form
    4,819.92/7,230.96 = 1,898.52/x
  3. Step 3: Cross multiply
    4,819.92x = 7,230.96 × 1,898.52
  4. Step 4: Simplify right side
    4,819.92x = 13,728,122.18
  5. Step 5: Solve for x
    x = 13,728,122.18/4,819.92
  6. Step 6: Final answer
    x = 2,848.21

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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.