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Finding the Fourth Proportional to 18,265.36, 27,398.04 and 4,414.36

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Solution

The fourth proportional to 18,265.36, 27,398.04 and 4,414.36 is: 6,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.36 : 27,398.04 = 4,414.36 : x
  2. Step 2: Convert to fraction form
    18,265.36/27,398.04 = 4,414.36/x
  3. Step 3: Cross multiply
    18,265.36x = 27,398.04 × 4,414.36
  4. Step 4: Simplify right side
    18,265.36x = 120,944,811.85
  5. Step 5: Solve for x
    x = 120,944,811.85/18,265.36
  6. Step 6: Final answer
    x = 6,621.54

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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.