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Finding the Fourth Proportional to 22,039.61, 33,052.39 and 7,245.12

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Solution

The fourth proportional to 22,039.61, 33,052.39 and 7,245.12 is: 10,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.61 : 33,052.39 = 7,245.12 : x
  2. Step 2: Convert to fraction form
    22,039.61/33,052.39 = 7,245.12/x
  3. Step 3: Cross multiply
    22,039.61x = 33,052.39 × 7,245.12
  4. Step 4: Simplify right side
    22,039.61x = 239,468,375.63
  5. Step 5: Solve for x
    x = 239,468,375.63/22,039.61
  6. Step 6: Final answer
    x = 10,865.36

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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.