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Finding the Fourth Proportional to 5,611.97, 8,401.66 and 3,264.82

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Solution

The fourth proportional to 5,611.97, 8,401.66 and 3,264.82 is: 4,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.97 : 8,401.66 = 3,264.82 : x
  2. Step 2: Convert to fraction form
    5,611.97/8,401.66 = 3,264.82/x
  3. Step 3: Cross multiply
    5,611.97x = 8,401.66 × 3,264.82
  4. Step 4: Simplify right side
    5,611.97x = 27,429,878.44
  5. Step 5: Solve for x
    x = 27,429,878.44/5,611.97
  6. Step 6: Final answer
    x = 4,887.74

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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.