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Finding the Fourth Proportional to 1,793.71, 2,672.07 and 1,739.31

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Solution

The fourth proportional to 1,793.71, 2,672.07 and 1,739.31 is: 2,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.71 : 2,672.07 = 1,739.31 : x
  2. Step 2: Convert to fraction form
    1,793.71/2,672.07 = 1,739.31/x
  3. Step 3: Cross multiply
    1,793.71x = 2,672.07 × 1,739.31
  4. Step 4: Simplify right side
    1,793.71x = 4,647,544.71
  5. Step 5: Solve for x
    x = 4,647,544.71/1,793.71
  6. Step 6: Final answer
    x = 2,591.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.