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Finding the Fourth Proportional to 33,608.91, 50,420.95 and 11,119.54

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Solution

The fourth proportional to 33,608.91, 50,420.95 and 11,119.54 is: 16,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,608.91 : 50,420.95 = 11,119.54 : x
  2. Step 2: Convert to fraction form
    33,608.91/50,420.95 = 11,119.54/x
  3. Step 3: Cross multiply
    33,608.91x = 50,420.95 × 11,119.54
  4. Step 4: Simplify right side
    33,608.91x = 560,657,518.26
  5. Step 5: Solve for x
    x = 560,657,518.26/33,608.91
  6. Step 6: Final answer
    x = 16,681.81

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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.