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Finding the Fourth Proportional to 11,243.39, 16,865.07 and 3,035.39

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Solution

The fourth proportional to 11,243.39, 16,865.07 and 3,035.39 is: 4,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.39 : 16,865.07 = 3,035.39 : x
  2. Step 2: Convert to fraction form
    11,243.39/16,865.07 = 3,035.39/x
  3. Step 3: Cross multiply
    11,243.39x = 16,865.07 × 3,035.39
  4. Step 4: Simplify right side
    11,243.39x = 51,192,064.83
  5. Step 5: Solve for x
    x = 51,192,064.83/11,243.39
  6. Step 6: Final answer
    x = 4,553.08

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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.