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Finding the Fourth Proportional to 6,223.48, 9,336.67 and 2,761

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Solution

The fourth proportional to 6,223.48, 9,336.67 and 2,761 is: 4,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.48 : 9,336.67 = 2,761 : x
  2. Step 2: Convert to fraction form
    6,223.48/9,336.67 = 2,761/x
  3. Step 3: Cross multiply
    6,223.48x = 9,336.67 × 2,761
  4. Step 4: Simplify right side
    6,223.48x = 25,778,545.87
  5. Step 5: Solve for x
    x = 25,778,545.87/6,223.48
  6. Step 6: Final answer
    x = 4,142.14

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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.