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Finding the Fourth Proportional to 33,809.62, 50,713.20 and 12,752.93

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Solution

The fourth proportional to 33,809.62, 50,713.20 and 12,752.93 is: 19,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,809.62 : 50,713.20 = 12,752.93 : x
  2. Step 2: Convert to fraction form
    33,809.62/50,713.20 = 12,752.93/x
  3. Step 3: Cross multiply
    33,809.62x = 50,713.20 × 12,752.93
  4. Step 4: Simplify right side
    33,809.62x = 646,741,889.68
  5. Step 5: Solve for x
    x = 646,741,889.68/33,809.62
  6. Step 6: Final answer
    x = 19,128.93

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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.