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Finding the Fourth Proportional to 6,408.45, 8,843.49 and 3,575.91

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Solution

The fourth proportional to 6,408.45, 8,843.49 and 3,575.91 is: 4,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.45 : 8,843.49 = 3,575.91 : x
  2. Step 2: Convert to fraction form
    6,408.45/8,843.49 = 3,575.91/x
  3. Step 3: Cross multiply
    6,408.45x = 8,843.49 × 3,575.91
  4. Step 4: Simplify right side
    6,408.45x = 31,623,524.33
  5. Step 5: Solve for x
    x = 31,623,524.33/6,408.45
  6. Step 6: Final answer
    x = 4,934.66

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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.