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Finding the Fourth Proportional to 16,505.55, 24,761.97 and 8,190.09

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Solution

The fourth proportional to 16,505.55, 24,761.97 and 8,190.09 is: 12,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.55 : 24,761.97 = 8,190.09 : x
  2. Step 2: Convert to fraction form
    16,505.55/24,761.97 = 8,190.09/x
  3. Step 3: Cross multiply
    16,505.55x = 24,761.97 × 8,190.09
  4. Step 4: Simplify right side
    16,505.55x = 202,802,762.88
  5. Step 5: Solve for x
    x = 202,802,762.88/16,505.55
  6. Step 6: Final answer
    x = 12,286.94

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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.