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Finding the Fourth Proportional to 20,613.99, 30,924.99 and 6,573.56

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Solution

The fourth proportional to 20,613.99, 30,924.99 and 6,573.56 is: 9,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,613.99 : 30,924.99 = 6,573.56 : x
  2. Step 2: Convert to fraction form
    20,613.99/30,924.99 = 6,573.56/x
  3. Step 3: Cross multiply
    20,613.99x = 30,924.99 × 6,573.56
  4. Step 4: Simplify right side
    20,613.99x = 203,287,122.64
  5. Step 5: Solve for x
    x = 203,287,122.64/20,613.99
  6. Step 6: Final answer
    x = 9,861.61

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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.