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Finding the Fourth Proportional to 9,227.91, 13,839.03 and 8,724.90

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Solution

The fourth proportional to 9,227.91, 13,839.03 and 8,724.90 is: 13,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,227.91 : 13,839.03 = 8,724.90 : x
  2. Step 2: Convert to fraction form
    9,227.91/13,839.03 = 8,724.90/x
  3. Step 3: Cross multiply
    9,227.91x = 13,839.03 × 8,724.90
  4. Step 4: Simplify right side
    9,227.91x = 120,744,152.85
  5. Step 5: Solve for x
    x = 120,744,152.85/9,227.91
  6. Step 6: Final answer
    x = 13,084.67

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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.