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Finding the Fourth Proportional to 16,493.87, 22,791.68 and 12,009.80

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Solution

The fourth proportional to 16,493.87, 22,791.68 and 12,009.80 is: 16,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,493.87 : 22,791.68 = 12,009.80 : x
  2. Step 2: Convert to fraction form
    16,493.87/22,791.68 = 12,009.80/x
  3. Step 3: Cross multiply
    16,493.87x = 22,791.68 × 12,009.80
  4. Step 4: Simplify right side
    16,493.87x = 273,723,344.46
  5. Step 5: Solve for x
    x = 273,723,344.46/16,493.87
  6. Step 6: Final answer
    x = 16,595.46

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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.