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Finding the Fourth Proportional to 33,615.38, 50,440.08 and 13,908.08

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Solution

The fourth proportional to 33,615.38, 50,440.08 and 13,908.08 is: 20,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,615.38 : 50,440.08 = 13,908.08 : x
  2. Step 2: Convert to fraction form
    33,615.38/50,440.08 = 13,908.08/x
  3. Step 3: Cross multiply
    33,615.38x = 50,440.08 × 13,908.08
  4. Step 4: Simplify right side
    33,615.38x = 701,524,667.85
  5. Step 5: Solve for x
    x = 701,524,667.85/33,615.38
  6. Step 6: Final answer
    x = 20,869.16

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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.