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Finding the Fourth Proportional to 22,026.96, 33,029.44 and 7,986.40

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Solution

The fourth proportional to 22,026.96, 33,029.44 and 7,986.40 is: 11,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,026.96 : 33,029.44 = 7,986.40 : x
  2. Step 2: Convert to fraction form
    22,026.96/33,029.44 = 7,986.40/x
  3. Step 3: Cross multiply
    22,026.96x = 33,029.44 × 7,986.40
  4. Step 4: Simplify right side
    22,026.96x = 263,786,319.62
  5. Step 5: Solve for x
    x = 263,786,319.62/22,026.96
  6. Step 6: Final answer
    x = 11,975.61

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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.