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Finding the Fourth Proportional to 22,100.88, 33,152.32 and 7,309.44

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Solution

The fourth proportional to 22,100.88, 33,152.32 and 7,309.44 is: 10,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,100.88 : 33,152.32 = 7,309.44 : x
  2. Step 2: Convert to fraction form
    22,100.88/33,152.32 = 7,309.44/x
  3. Step 3: Cross multiply
    22,100.88x = 33,152.32 × 7,309.44
  4. Step 4: Simplify right side
    22,100.88x = 242,324,893.90
  5. Step 5: Solve for x
    x = 242,324,893.90/22,100.88
  6. Step 6: Final answer
    x = 10,964.49

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Double scale
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Similar ratio
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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.