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Finding the Fourth Proportional to 5,269.22, 7,903 and 1,759.29

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Solution

The fourth proportional to 5,269.22, 7,903 and 1,759.29 is: 2,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.22 : 7,903 = 1,759.29 : x
  2. Step 2: Convert to fraction form
    5,269.22/7,903 = 1,759.29/x
  3. Step 3: Cross multiply
    5,269.22x = 7,903 × 1,759.29
  4. Step 4: Simplify right side
    5,269.22x = 13,903,668.87
  5. Step 5: Solve for x
    x = 13,903,668.87/5,269.22
  6. Step 6: Final answer
    x = 2,638.66

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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.