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Finding the Fourth Proportional to 33,186.75, 49,780.17 and 8,562.75

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Solution

The fourth proportional to 33,186.75, 49,780.17 and 8,562.75 is: 12,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,186.75 : 49,780.17 = 8,562.75 : x
  2. Step 2: Convert to fraction form
    33,186.75/49,780.17 = 8,562.75/x
  3. Step 3: Cross multiply
    33,186.75x = 49,780.17 × 8,562.75
  4. Step 4: Simplify right side
    33,186.75x = 426,255,150.67
  5. Step 5: Solve for x
    x = 426,255,150.67/33,186.75
  6. Step 6: Final answer
    x = 12,844.14

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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.