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Finding the Fourth Proportional to 3,553.81, 5,329.23 and 1,704.49

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Solution

The fourth proportional to 3,553.81, 5,329.23 and 1,704.49 is: 2,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.81 : 5,329.23 = 1,704.49 : x
  2. Step 2: Convert to fraction form
    3,553.81/5,329.23 = 1,704.49/x
  3. Step 3: Cross multiply
    3,553.81x = 5,329.23 × 1,704.49
  4. Step 4: Simplify right side
    3,553.81x = 9,083,619.24
  5. Step 5: Solve for x
    x = 9,083,619.24/3,553.81
  6. Step 6: Final answer
    x = 2,556.02

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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.