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Finding the Fourth Proportional to 22,138.36, 33,200.33 and 7,343.30

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Solution

The fourth proportional to 22,138.36, 33,200.33 and 7,343.30 is: 11,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.36 : 33,200.33 = 7,343.30 : x
  2. Step 2: Convert to fraction form
    22,138.36/33,200.33 = 7,343.30/x
  3. Step 3: Cross multiply
    22,138.36x = 33,200.33 × 7,343.30
  4. Step 4: Simplify right side
    22,138.36x = 243,800,029.57
  5. Step 5: Solve for x
    x = 243,800,029.57/22,138.36
  6. Step 6: Final answer
    x = 11,012.56

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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.