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Finding the Fourth Proportional to 20,441.67, 30,662.47 and 8,597.67

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Solution

The fourth proportional to 20,441.67, 30,662.47 and 8,597.67 is: 12,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.67 : 30,662.47 = 8,597.67 : x
  2. Step 2: Convert to fraction form
    20,441.67/30,662.47 = 8,597.67/x
  3. Step 3: Cross multiply
    20,441.67x = 30,662.47 × 8,597.67
  4. Step 4: Simplify right side
    20,441.67x = 263,625,798.44
  5. Step 5: Solve for x
    x = 263,625,798.44/20,441.67
  6. Step 6: Final answer
    x = 12,896.49

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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.