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Finding the Fourth Proportional to 33,168.62, 49,752.81 and 13,447.13

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Solution

The fourth proportional to 33,168.62, 49,752.81 and 13,447.13 is: 20,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168.62 : 49,752.81 = 13,447.13 : x
  2. Step 2: Convert to fraction form
    33,168.62/49,752.81 = 13,447.13/x
  3. Step 3: Cross multiply
    33,168.62x = 49,752.81 × 13,447.13
  4. Step 4: Simplify right side
    33,168.62x = 669,032,255.17
  5. Step 5: Solve for x
    x = 669,032,255.17/33,168.62
  6. Step 6: Final answer
    x = 20,170.64

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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.