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Finding the Fourth Proportional to 33,792.75, 50,689.22 and 9,168.75

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Solution

The fourth proportional to 33,792.75, 50,689.22 and 9,168.75 is: 13,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,792.75 : 50,689.22 = 9,168.75 : x
  2. Step 2: Convert to fraction form
    33,792.75/50,689.22 = 9,168.75/x
  3. Step 3: Cross multiply
    33,792.75x = 50,689.22 × 9,168.75
  4. Step 4: Simplify right side
    33,792.75x = 464,756,740.03
  5. Step 5: Solve for x
    x = 464,756,740.03/33,792.75
  6. Step 6: Final answer
    x = 13,753.15

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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.