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Finding the Fourth Proportional to 33,409.37, 50,121.80 and 9,717.48

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Solution

The fourth proportional to 33,409.37, 50,121.80 and 9,717.48 is: 14,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,409.37 : 50,121.80 = 9,717.48 : x
  2. Step 2: Convert to fraction form
    33,409.37/50,121.80 = 9,717.48/x
  3. Step 3: Cross multiply
    33,409.37x = 50,121.80 × 9,717.48
  4. Step 4: Simplify right side
    33,409.37x = 487,057,589.06
  5. Step 5: Solve for x
    x = 487,057,589.06/33,409.37
  6. Step 6: Final answer
    x = 14,578.47

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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.