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Finding the Fourth Proportional to 6,408.87, 8,843.94 and 3,576.08

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Solution

The fourth proportional to 6,408.87, 8,843.94 and 3,576.08 is: 4,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.87 : 8,843.94 = 3,576.08 : x
  2. Step 2: Convert to fraction form
    6,408.87/8,843.94 = 3,576.08/x
  3. Step 3: Cross multiply
    6,408.87x = 8,843.94 × 3,576.08
  4. Step 4: Simplify right side
    6,408.87x = 31,626,592.74
  5. Step 5: Solve for x
    x = 31,626,592.74/6,408.87
  6. Step 6: Final answer
    x = 4,934.82

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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.