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Finding the Fourth Proportional to 7,363.54, 11,044.90 and 2,979.82

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Solution

The fourth proportional to 7,363.54, 11,044.90 and 2,979.82 is: 4,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.54 : 11,044.90 = 2,979.82 : x
  2. Step 2: Convert to fraction form
    7,363.54/11,044.90 = 2,979.82/x
  3. Step 3: Cross multiply
    7,363.54x = 11,044.90 × 2,979.82
  4. Step 4: Simplify right side
    7,363.54x = 32,911,813.92
  5. Step 5: Solve for x
    x = 32,911,813.92/7,363.54
  6. Step 6: Final answer
    x = 4,469.56

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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.