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Finding the Fourth Proportional to 6,223.26, 8,584.62 and 3,950.40

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Solution

The fourth proportional to 6,223.26, 8,584.62 and 3,950.40 is: 5,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.26 : 8,584.62 = 3,950.40 : x
  2. Step 2: Convert to fraction form
    6,223.26/8,584.62 = 3,950.40/x
  3. Step 3: Cross multiply
    6,223.26x = 8,584.62 × 3,950.40
  4. Step 4: Simplify right side
    6,223.26x = 33,912,682.85
  5. Step 5: Solve for x
    x = 33,912,682.85/6,223.26
  6. Step 6: Final answer
    x = 5,449.34

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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.