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Finding the Fourth Proportional to 3,588.31, 5,379.99 and 1,829.90

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Solution

The fourth proportional to 3,588.31, 5,379.99 and 1,829.90 is: 2,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.31 : 5,379.99 = 1,829.90 : x
  2. Step 2: Convert to fraction form
    3,588.31/5,379.99 = 1,829.90/x
  3. Step 3: Cross multiply
    3,588.31x = 5,379.99 × 1,829.90
  4. Step 4: Simplify right side
    3,588.31x = 9,844,850.29
  5. Step 5: Solve for x
    x = 9,844,850.29/3,588.31
  6. Step 6: Final answer
    x = 2,743.59

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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.