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Finding the Fourth Proportional to 22,137.92, 30,550.33 and 12,201.92

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Solution

The fourth proportional to 22,137.92, 30,550.33 and 12,201.92 is: 16,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.92 : 30,550.33 = 12,201.92 : x
  2. Step 2: Convert to fraction form
    22,137.92/30,550.33 = 12,201.92/x
  3. Step 3: Cross multiply
    22,137.92x = 30,550.33 × 12,201.92
  4. Step 4: Simplify right side
    22,137.92x = 372,772,682.63
  5. Step 5: Solve for x
    x = 372,772,682.63/22,137.92
  6. Step 6: Final answer
    x = 16,838.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.