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Finding the Fourth Proportional to 8,369.26, 12,553.91 and 2,822.63

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Solution

The fourth proportional to 8,369.26, 12,553.91 and 2,822.63 is: 4,233.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.26 : 12,553.91 = 2,822.63 : x
  2. Step 2: Convert to fraction form
    8,369.26/12,553.91 = 2,822.63/x
  3. Step 3: Cross multiply
    8,369.26x = 12,553.91 × 2,822.63
  4. Step 4: Simplify right side
    8,369.26x = 35,435,055.24
  5. Step 5: Solve for x
    x = 35,435,055.24/8,369.26
  6. Step 6: Final answer
    x = 4,233.95

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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.