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Finding the Fourth Proportional to 5,611.85, 8,401.47 and 3,264.69

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Solution

The fourth proportional to 5,611.85, 8,401.47 and 3,264.69 is: 4,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.85 : 8,401.47 = 3,264.69 : x
  2. Step 2: Convert to fraction form
    5,611.85/8,401.47 = 3,264.69/x
  3. Step 3: Cross multiply
    5,611.85x = 8,401.47 × 3,264.69
  4. Step 4: Simplify right side
    5,611.85x = 27,428,195.09
  5. Step 5: Solve for x
    x = 27,428,195.09/5,611.85
  6. Step 6: Final answer
    x = 4,887.55

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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.