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Finding the Fourth Proportional to 36,222.78, 54,334.17 and 12,843.78

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Solution

The fourth proportional to 36,222.78, 54,334.17 and 12,843.78 is: 19,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.78 : 54,334.17 = 12,843.78 : x
  2. Step 2: Convert to fraction form
    36,222.78/54,334.17 = 12,843.78/x
  3. Step 3: Cross multiply
    36,222.78x = 54,334.17 × 12,843.78
  4. Step 4: Simplify right side
    36,222.78x = 697,856,125.96
  5. Step 5: Solve for x
    x = 697,856,125.96/36,222.78
  6. Step 6: Final answer
    x = 19,265.67

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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.