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Finding the Fourth Proportional to 2,650.60, 3,649.52 and 2,251.44

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Solution

The fourth proportional to 2,650.60, 3,649.52 and 2,251.44 is: 3,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.60 : 3,649.52 = 2,251.44 : x
  2. Step 2: Convert to fraction form
    2,650.60/3,649.52 = 2,251.44/x
  3. Step 3: Cross multiply
    2,650.60x = 3,649.52 × 2,251.44
  4. Step 4: Simplify right side
    2,650.60x = 8,216,675.31
  5. Step 5: Solve for x
    x = 8,216,675.31/2,650.60
  6. Step 6: Final answer
    x = 3,099.93

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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.