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Finding the Fourth Proportional to 27,166.75, 40,749.90 and 8,446.75

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Solution

The fourth proportional to 27,166.75, 40,749.90 and 8,446.75 is: 12,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.75 : 40,749.90 = 8,446.75 : x
  2. Step 2: Convert to fraction form
    27,166.75/40,749.90 = 8,446.75/x
  3. Step 3: Cross multiply
    27,166.75x = 40,749.90 × 8,446.75
  4. Step 4: Simplify right side
    27,166.75x = 344,204,084.27
  5. Step 5: Solve for x
    x = 344,204,084.27/27,166.75
  6. Step 6: Final answer
    x = 12,670.05

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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.