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Finding the Fourth Proportional to 2,487.88, 3,702.46 and 2,404.85

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Solution

The fourth proportional to 2,487.88, 3,702.46 and 2,404.85 is: 3,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.88 : 3,702.46 = 2,404.85 : x
  2. Step 2: Convert to fraction form
    2,487.88/3,702.46 = 2,404.85/x
  3. Step 3: Cross multiply
    2,487.88x = 3,702.46 × 2,404.85
  4. Step 4: Simplify right side
    2,487.88x = 8,903,841.62
  5. Step 5: Solve for x
    x = 8,903,841.62/2,487.88
  6. Step 6: Final answer
    x = 3,578.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.