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Finding the Fourth Proportional to 3,622.57, 4,999.57 and 2,207.09

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Solution

The fourth proportional to 3,622.57, 4,999.57 and 2,207.09 is: 3,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.57 : 4,999.57 = 2,207.09 : x
  2. Step 2: Convert to fraction form
    3,622.57/4,999.57 = 2,207.09/x
  3. Step 3: Cross multiply
    3,622.57x = 4,999.57 × 2,207.09
  4. Step 4: Simplify right side
    3,622.57x = 11,034,500.95
  5. Step 5: Solve for x
    x = 11,034,500.95/3,622.57
  6. Step 6: Final answer
    x = 3,046.04

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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.