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Finding the Fourth Proportional to 3,530.88, 4,874.76 and 2,743.44

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Solution

The fourth proportional to 3,530.88, 4,874.76 and 2,743.44 is: 3,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.88 : 4,874.76 = 2,743.44 : x
  2. Step 2: Convert to fraction form
    3,530.88/4,874.76 = 2,743.44/x
  3. Step 3: Cross multiply
    3,530.88x = 4,874.76 × 2,743.44
  4. Step 4: Simplify right side
    3,530.88x = 13,373,611.57
  5. Step 5: Solve for x
    x = 13,373,611.57/3,530.88
  6. Step 6: Final answer
    x = 3,787.61

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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.