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Finding the Fourth Proportional to 22,163.60, 33,283.80 and 15,635.60

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Solution

The fourth proportional to 22,163.60, 33,283.80 and 15,635.60 is: 23,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.60 : 33,283.80 = 15,635.60 : x
  2. Step 2: Convert to fraction form
    22,163.60/33,283.80 = 15,635.60/x
  3. Step 3: Cross multiply
    22,163.60x = 33,283.80 × 15,635.60
  4. Step 4: Simplify right side
    22,163.60x = 520,412,183.28
  5. Step 5: Solve for x
    x = 520,412,183.28/22,163.60
  6. Step 6: Final answer
    x = 23,480.49

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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.