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Finding the Fourth Proportional to 22,138.92, 33,206.36 and 7,349.54

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Solution

The fourth proportional to 22,138.92, 33,206.36 and 7,349.54 is: 11,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.92 : 33,206.36 = 7,349.54 : x
  2. Step 2: Convert to fraction form
    22,138.92/33,206.36 = 7,349.54/x
  3. Step 3: Cross multiply
    22,138.92x = 33,206.36 × 7,349.54
  4. Step 4: Simplify right side
    22,138.92x = 244,051,268.29
  5. Step 5: Solve for x
    x = 244,051,268.29/22,138.92
  6. Step 6: Final answer
    x = 11,023.63

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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.