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Finding the Fourth Proportional to 14,212.44, 19,614.60 and 8,245.44

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Solution

The fourth proportional to 14,212.44, 19,614.60 and 8,245.44 is: 11,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.44 : 19,614.60 = 8,245.44 : x
  2. Step 2: Convert to fraction form
    14,212.44/19,614.60 = 8,245.44/x
  3. Step 3: Cross multiply
    14,212.44x = 19,614.60 × 8,245.44
  4. Step 4: Simplify right side
    14,212.44x = 161,731,007.42
  5. Step 5: Solve for x
    x = 161,731,007.42/14,212.44
  6. Step 6: Final answer
    x = 11,379.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.