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Finding the Fourth Proportional to 8,843.05, 12,202.02 and 5,065.31

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Solution

The fourth proportional to 8,843.05, 12,202.02 and 5,065.31 is: 6,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.05 : 12,202.02 = 5,065.31 : x
  2. Step 2: Convert to fraction form
    8,843.05/12,202.02 = 5,065.31/x
  3. Step 3: Cross multiply
    8,843.05x = 12,202.02 × 5,065.31
  4. Step 4: Simplify right side
    8,843.05x = 61,807,044.43
  5. Step 5: Solve for x
    x = 61,807,044.43/8,843.05
  6. Step 6: Final answer
    x = 6,989.33

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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.