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Finding the Fourth Proportional to 3,199.95, 4,800.15 and 1,351.26

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Solution

The fourth proportional to 3,199.95, 4,800.15 and 1,351.26 is: 2,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.95 : 4,800.15 = 1,351.26 : x
  2. Step 2: Convert to fraction form
    3,199.95/4,800.15 = 1,351.26/x
  3. Step 3: Cross multiply
    3,199.95x = 4,800.15 × 1,351.26
  4. Step 4: Simplify right side
    3,199.95x = 6,486,250.69
  5. Step 5: Solve for x
    x = 6,486,250.69/3,199.95
  6. Step 6: Final answer
    x = 2,026.99

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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.