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Finding the Fourth Proportional to 2,407.82, 3,611.66 and 676.44

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Solution

The fourth proportional to 2,407.82, 3,611.66 and 676.44 is: 1,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.82 : 3,611.66 = 676.44 : x
  2. Step 2: Convert to fraction form
    2,407.82/3,611.66 = 676.44/x
  3. Step 3: Cross multiply
    2,407.82x = 3,611.66 × 676.44
  4. Step 4: Simplify right side
    2,407.82x = 2,443,067.91
  5. Step 5: Solve for x
    x = 2,443,067.91/2,407.82
  6. Step 6: Final answer
    x = 1,014.64

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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.