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Finding the Fourth Proportional to 30,584.44, 42,215.26 and 18,016.44

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Solution

The fourth proportional to 30,584.44, 42,215.26 and 18,016.44 is: 24,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,584.44 : 42,215.26 = 18,016.44 : x
  2. Step 2: Convert to fraction form
    30,584.44/42,215.26 = 18,016.44/x
  3. Step 3: Cross multiply
    30,584.44x = 42,215.26 × 18,016.44
  4. Step 4: Simplify right side
    30,584.44x = 760,568,698.87
  5. Step 5: Solve for x
    x = 760,568,698.87/30,584.44
  6. Step 6: Final answer
    x = 24,867.83

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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.