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Finding the Fourth Proportional to 22,666.52, 33,914.27 and 20,364.45

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Solution

The fourth proportional to 22,666.52, 33,914.27 and 20,364.45 is: 30,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.52 : 33,914.27 = 20,364.45 : x
  2. Step 2: Convert to fraction form
    22,666.52/33,914.27 = 20,364.45/x
  3. Step 3: Cross multiply
    22,666.52x = 33,914.27 × 20,364.45
  4. Step 4: Simplify right side
    22,666.52x = 690,645,353.88
  5. Step 5: Solve for x
    x = 690,645,353.88/22,666.52
  6. Step 6: Final answer
    x = 30,469.85

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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.