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Finding the Fourth Proportional to 7,806.06, 11,709.10 and 1,962.67

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Solution

The fourth proportional to 7,806.06, 11,709.10 and 1,962.67 is: 2,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.06 : 11,709.10 = 1,962.67 : x
  2. Step 2: Convert to fraction form
    7,806.06/11,709.10 = 1,962.67/x
  3. Step 3: Cross multiply
    7,806.06x = 11,709.10 × 1,962.67
  4. Step 4: Simplify right side
    7,806.06x = 22,981,099.30
  5. Step 5: Solve for x
    x = 22,981,099.30/7,806.06
  6. Step 6: Final answer
    x = 2,944.01

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Similar ratio
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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.