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Finding the Fourth Proportional to 13,379.72, 20,074.14 and 5,062.14

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Solution

The fourth proportional to 13,379.72, 20,074.14 and 5,062.14 is: 7,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.72 : 20,074.14 = 5,062.14 : x
  2. Step 2: Convert to fraction form
    13,379.72/20,074.14 = 5,062.14/x
  3. Step 3: Cross multiply
    13,379.72x = 20,074.14 × 5,062.14
  4. Step 4: Simplify right side
    13,379.72x = 101,618,107.06
  5. Step 5: Solve for x
    x = 101,618,107.06/13,379.72
  6. Step 6: Final answer
    x = 7,594.94

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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.