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Finding the Fourth Proportional to 22,129.75, 33,183.33 and 7,333.39

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Solution

The fourth proportional to 22,129.75, 33,183.33 and 7,333.39 is: 10,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.75 : 33,183.33 = 7,333.39 : x
  2. Step 2: Convert to fraction form
    22,129.75/33,183.33 = 7,333.39/x
  3. Step 3: Cross multiply
    22,129.75x = 33,183.33 × 7,333.39
  4. Step 4: Simplify right side
    22,129.75x = 243,346,300.39
  5. Step 5: Solve for x
    x = 243,346,300.39/22,129.75
  6. Step 6: Final answer
    x = 10,996.34

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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.