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Finding the Fourth Proportional to 39,016.69, 53,843.03 and 22,249.69

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Solution

The fourth proportional to 39,016.69, 53,843.03 and 22,249.69 is: 30,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,016.69 : 53,843.03 = 22,249.69 : x
  2. Step 2: Convert to fraction form
    39,016.69/53,843.03 = 22,249.69/x
  3. Step 3: Cross multiply
    39,016.69x = 53,843.03 × 22,249.69
  4. Step 4: Simplify right side
    39,016.69x = 1,197,990,563.74
  5. Step 5: Solve for x
    x = 1,197,990,563.74/39,016.69
  6. Step 6: Final answer
    x = 30,704.57

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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.