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Finding the Fourth Proportional to 4,671.57, 7,007.49 and 2,207.55

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Solution

The fourth proportional to 4,671.57, 7,007.49 and 2,207.55 is: 3,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.57 : 7,007.49 = 2,207.55 : x
  2. Step 2: Convert to fraction form
    4,671.57/7,007.49 = 2,207.55/x
  3. Step 3: Cross multiply
    4,671.57x = 7,007.49 × 2,207.55
  4. Step 4: Simplify right side
    4,671.57x = 15,469,384.55
  5. Step 5: Solve for x
    x = 15,469,384.55/4,671.57
  6. Step 6: Final answer
    x = 3,311.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.