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Finding the Fourth Proportional to 7,471.33, 11,207.80 and 2,793.58

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Solution

The fourth proportional to 7,471.33, 11,207.80 and 2,793.58 is: 4,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.33 : 11,207.80 = 2,793.58 : x
  2. Step 2: Convert to fraction form
    7,471.33/11,207.80 = 2,793.58/x
  3. Step 3: Cross multiply
    7,471.33x = 11,207.80 × 2,793.58
  4. Step 4: Simplify right side
    7,471.33x = 31,309,885.92
  5. Step 5: Solve for x
    x = 31,309,885.92/7,471.33
  6. Step 6: Final answer
    x = 4,190.67

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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.