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Finding the Fourth Proportional to 16,503.66, 22,775.05 and 8,949.99

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Solution

The fourth proportional to 16,503.66, 22,775.05 and 8,949.99 is: 12,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,503.66 : 22,775.05 = 8,949.99 : x
  2. Step 2: Convert to fraction form
    16,503.66/22,775.05 = 8,949.99/x
  3. Step 3: Cross multiply
    16,503.66x = 22,775.05 × 8,949.99
  4. Step 4: Simplify right side
    16,503.66x = 203,836,355.87
  5. Step 5: Solve for x
    x = 203,836,355.87/16,503.66
  6. Step 6: Final answer
    x = 12,350.98

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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.