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Finding the Fourth Proportional to 8,144.48, 11,239.44 and 4,418.48

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Solution

The fourth proportional to 8,144.48, 11,239.44 and 4,418.48 is: 6,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.48 : 11,239.44 = 4,418.48 : x
  2. Step 2: Convert to fraction form
    8,144.48/11,239.44 = 4,418.48/x
  3. Step 3: Cross multiply
    8,144.48x = 11,239.44 × 4,418.48
  4. Step 4: Simplify right side
    8,144.48x = 49,661,240.85
  5. Step 5: Solve for x
    x = 49,661,240.85/8,144.48
  6. Step 6: Final answer
    x = 6,097.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.