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Finding the Fourth Proportional to 16,503.21, 22,773.78 and 8,949.39

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Solution

The fourth proportional to 16,503.21, 22,773.78 and 8,949.39 is: 12,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,503.21 : 22,773.78 = 8,949.39 : x
  2. Step 2: Convert to fraction form
    16,503.21/22,773.78 = 8,949.39/x
  3. Step 3: Cross multiply
    16,503.21x = 22,773.78 × 8,949.39
  4. Step 4: Simplify right side
    16,503.21x = 203,811,438.99
  5. Step 5: Solve for x
    x = 203,811,438.99/16,503.21
  6. Step 6: Final answer
    x = 12,349.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.