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Finding the Fourth Proportional to 1,711.44, 2,568.23 and 982.44

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Solution

The fourth proportional to 1,711.44, 2,568.23 and 982.44 is: 1,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.44 : 2,568.23 = 982.44 : x
  2. Step 2: Convert to fraction form
    1,711.44/2,568.23 = 982.44/x
  3. Step 3: Cross multiply
    1,711.44x = 2,568.23 × 982.44
  4. Step 4: Simplify right side
    1,711.44x = 2,523,131.88
  5. Step 5: Solve for x
    x = 2,523,131.88/1,711.44
  6. Step 6: Final answer
    x = 1,474.27

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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.