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Finding the Fourth Proportional to 33,616.30, 50,424.48 and 8,656.40

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Solution

The fourth proportional to 33,616.30, 50,424.48 and 8,656.40 is: 12,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,616.30 : 50,424.48 = 8,656.40 : x
  2. Step 2: Convert to fraction form
    33,616.30/50,424.48 = 8,656.40/x
  3. Step 3: Cross multiply
    33,616.30x = 50,424.48 × 8,656.40
  4. Step 4: Simplify right side
    33,616.30x = 436,494,468.67
  5. Step 5: Solve for x
    x = 436,494,468.67/33,616.30
  6. Step 6: Final answer
    x = 12,984.61

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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.