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Finding the Fourth Proportional to 2,627.64, 3,939.98 and 2,404.22

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Solution

The fourth proportional to 2,627.64, 3,939.98 and 2,404.22 is: 3,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.64 : 3,939.98 = 2,404.22 : x
  2. Step 2: Convert to fraction form
    2,627.64/3,939.98 = 2,404.22/x
  3. Step 3: Cross multiply
    2,627.64x = 3,939.98 × 2,404.22
  4. Step 4: Simplify right side
    2,627.64x = 9,472,546.99
  5. Step 5: Solve for x
    x = 9,472,546.99/2,627.64
  6. Step 6: Final answer
    x = 3,604.96

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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.