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Finding the Fourth Proportional to 33,480.17, 50,219.44 and 8,520.24

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Solution

The fourth proportional to 33,480.17, 50,219.44 and 8,520.24 is: 12,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,480.17 : 50,219.44 = 8,520.24 : x
  2. Step 2: Convert to fraction form
    33,480.17/50,219.44 = 8,520.24/x
  3. Step 3: Cross multiply
    33,480.17x = 50,219.44 × 8,520.24
  4. Step 4: Simplify right side
    33,480.17x = 427,881,613.93
  5. Step 5: Solve for x
    x = 427,881,613.93/33,480.17
  6. Step 6: Final answer
    x = 12,780.15

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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.