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Finding the Fourth Proportional to 12,193.44, 16,826.97 and 6,604.44

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Solution

The fourth proportional to 12,193.44, 16,826.97 and 6,604.44 is: 9,114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.44 : 16,826.97 = 6,604.44 : x
  2. Step 2: Convert to fraction form
    12,193.44/16,826.97 = 6,604.44/x
  3. Step 3: Cross multiply
    12,193.44x = 16,826.97 × 6,604.44
  4. Step 4: Simplify right side
    12,193.44x = 111,132,713.75
  5. Step 5: Solve for x
    x = 111,132,713.75/12,193.44
  6. Step 6: Final answer
    x = 9,114.14

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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.