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Finding the Fourth Proportional to 8,369.05, 12,552.89 and 2,822.28

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Solution

The fourth proportional to 8,369.05, 12,552.89 and 2,822.28 is: 4,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.05 : 12,552.89 = 2,822.28 : x
  2. Step 2: Convert to fraction form
    8,369.05/12,552.89 = 2,822.28/x
  3. Step 3: Cross multiply
    8,369.05x = 12,552.89 × 2,822.28
  4. Step 4: Simplify right side
    8,369.05x = 35,427,770.39
  5. Step 5: Solve for x
    x = 35,427,770.39/8,369.05
  6. Step 6: Final answer
    x = 4,233.19

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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.