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Finding the Fourth Proportional to 3,199.62, 4,800.08 and 1,350.74

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Solution

The fourth proportional to 3,199.62, 4,800.08 and 1,350.74 is: 2,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.62 : 4,800.08 = 1,350.74 : x
  2. Step 2: Convert to fraction form
    3,199.62/4,800.08 = 1,350.74/x
  3. Step 3: Cross multiply
    3,199.62x = 4,800.08 × 1,350.74
  4. Step 4: Simplify right side
    3,199.62x = 6,483,660.06
  5. Step 5: Solve for x
    x = 6,483,660.06/3,199.62
  6. Step 6: Final answer
    x = 2,026.38

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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.