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Finding the Fourth Proportional to 3,198.43, 4,798.23 and 1,250.51

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Solution

The fourth proportional to 3,198.43, 4,798.23 and 1,250.51 is: 1,875.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.43 : 4,798.23 = 1,250.51 : x
  2. Step 2: Convert to fraction form
    3,198.43/4,798.23 = 1,250.51/x
  3. Step 3: Cross multiply
    3,198.43x = 4,798.23 × 1,250.51
  4. Step 4: Simplify right side
    3,198.43x = 6,000,234.60
  5. Step 5: Solve for x
    x = 6,000,234.60/3,198.43
  6. Step 6: Final answer
    x = 1,875.99

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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.