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Finding the Fourth Proportional to 8,223, 11,343.30 and 5,866.44

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Solution

The fourth proportional to 8,223, 11,343.30 and 5,866.44 is: 8,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223 : 11,343.30 = 5,866.44 : x
  2. Step 2: Convert to fraction form
    8,223/11,343.30 = 5,866.44/x
  3. Step 3: Cross multiply
    8,223x = 11,343.30 × 5,866.44
  4. Step 4: Simplify right side
    8,223x = 66,544,788.85
  5. Step 5: Solve for x
    x = 66,544,788.85/8,223
  6. Step 6: Final answer
    x = 8,092.52

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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.