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Finding the Fourth Proportional to 3,367.89, 5,051.96 and 1,722.51

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Solution

The fourth proportional to 3,367.89, 5,051.96 and 1,722.51 is: 2,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.89 : 5,051.96 = 1,722.51 : x
  2. Step 2: Convert to fraction form
    3,367.89/5,051.96 = 1,722.51/x
  3. Step 3: Cross multiply
    3,367.89x = 5,051.96 × 1,722.51
  4. Step 4: Simplify right side
    3,367.89x = 8,702,049.47
  5. Step 5: Solve for x
    x = 8,702,049.47/3,367.89
  6. Step 6: Final answer
    x = 2,583.83

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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.