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Finding the Fourth Proportional to 33,406.98, 50,112.96 and 11,220.48

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Solution

The fourth proportional to 33,406.98, 50,112.96 and 11,220.48 is: 16,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,406.98 : 50,112.96 = 11,220.48 : x
  2. Step 2: Convert to fraction form
    33,406.98/50,112.96 = 11,220.48/x
  3. Step 3: Cross multiply
    33,406.98x = 50,112.96 × 11,220.48
  4. Step 4: Simplify right side
    33,406.98x = 562,291,465.42
  5. Step 5: Solve for x
    x = 562,291,465.42/33,406.98
  6. Step 6: Final answer
    x = 16,831.56

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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.