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Finding the Fourth Proportional to 8,606.01, 12,910.85 and 2,766.72

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Solution

The fourth proportional to 8,606.01, 12,910.85 and 2,766.72 is: 4,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.01 : 12,910.85 = 2,766.72 : x
  2. Step 2: Convert to fraction form
    8,606.01/12,910.85 = 2,766.72/x
  3. Step 3: Cross multiply
    8,606.01x = 12,910.85 × 2,766.72
  4. Step 4: Simplify right side
    8,606.01x = 35,720,693.08
  5. Step 5: Solve for x
    x = 35,720,693.08/8,606.01
  6. Step 6: Final answer
    x = 4,150.67

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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.