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Finding the Fourth Proportional to 22,381.35, 33,541.79 and 8,522.79

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Solution

The fourth proportional to 22,381.35, 33,541.79 and 8,522.79 is: 12,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,381.35 : 33,541.79 = 8,522.79 : x
  2. Step 2: Convert to fraction form
    22,381.35/33,541.79 = 8,522.79/x
  3. Step 3: Cross multiply
    22,381.35x = 33,541.79 × 8,522.79
  4. Step 4: Simplify right side
    22,381.35x = 285,869,632.39
  5. Step 5: Solve for x
    x = 285,869,632.39/22,381.35
  6. Step 6: Final answer
    x = 12,772.67

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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.