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Finding the Fourth Proportional to 2,803.01, 4,198.13 and 1,704.95

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Solution

The fourth proportional to 2,803.01, 4,198.13 and 1,704.95 is: 2,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.01 : 4,198.13 = 1,704.95 : x
  2. Step 2: Convert to fraction form
    2,803.01/4,198.13 = 1,704.95/x
  3. Step 3: Cross multiply
    2,803.01x = 4,198.13 × 1,704.95
  4. Step 4: Simplify right side
    2,803.01x = 7,157,594.36
  5. Step 5: Solve for x
    x = 7,157,594.36/2,803.01
  6. Step 6: Final answer
    x = 2,553.54

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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.