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Finding the Fourth Proportional to 6,175.50, 8,522.19 and 3,381

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Solution

The fourth proportional to 6,175.50, 8,522.19 and 3,381 is: 4,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,175.50 : 8,522.19 = 3,381 : x
  2. Step 2: Convert to fraction form
    6,175.50/8,522.19 = 3,381/x
  3. Step 3: Cross multiply
    6,175.50x = 8,522.19 × 3,381
  4. Step 4: Simplify right side
    6,175.50x = 28,813,524.39
  5. Step 5: Solve for x
    x = 28,813,524.39/6,175.50
  6. Step 6: Final answer
    x = 4,665.78

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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.