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Finding the Fourth Proportional to 12,757.15, 17,495.03 and 12,224.98

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Solution

The fourth proportional to 12,757.15, 17,495.03 and 12,224.98 is: 16,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.15 : 17,495.03 = 12,224.98 : x
  2. Step 2: Convert to fraction form
    12,757.15/17,495.03 = 12,224.98/x
  3. Step 3: Cross multiply
    12,757.15x = 17,495.03 × 12,224.98
  4. Step 4: Simplify right side
    12,757.15x = 213,876,391.85
  5. Step 5: Solve for x
    x = 213,876,391.85/12,757.15
  6. Step 6: Final answer
    x = 16,765.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.