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Finding the Fourth Proportional to 3,492.33, 4,819.46 and 1,898.99

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Solution

The fourth proportional to 3,492.33, 4,819.46 and 1,898.99 is: 2,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.33 : 4,819.46 = 1,898.99 : x
  2. Step 2: Convert to fraction form
    3,492.33/4,819.46 = 1,898.99/x
  3. Step 3: Cross multiply
    3,492.33x = 4,819.46 × 1,898.99
  4. Step 4: Simplify right side
    3,492.33x = 9,152,108.90
  5. Step 5: Solve for x
    x = 9,152,108.90/3,492.33
  6. Step 6: Final answer
    x = 2,620.63

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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.