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Finding the Fourth Proportional to 33,405.94, 50,108.10 and 11,221.12

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Solution

The fourth proportional to 33,405.94, 50,108.10 and 11,221.12 is: 16,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,405.94 : 50,108.10 = 11,221.12 : x
  2. Step 2: Convert to fraction form
    33,405.94/50,108.10 = 11,221.12/x
  3. Step 3: Cross multiply
    33,405.94x = 50,108.10 × 11,221.12
  4. Step 4: Simplify right side
    33,405.94x = 562,269,003.07
  5. Step 5: Solve for x
    x = 562,269,003.07/33,405.94
  6. Step 6: Final answer
    x = 16,831.41

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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.