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Finding the Fourth Proportional to 12,481.29, 17,093.03 and 12,317.27

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Solution

The fourth proportional to 12,481.29, 17,093.03 and 12,317.27 is: 16,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.29 : 17,093.03 = 12,317.27 : x
  2. Step 2: Convert to fraction form
    12,481.29/17,093.03 = 12,317.27/x
  3. Step 3: Cross multiply
    12,481.29x = 17,093.03 × 12,317.27
  4. Step 4: Simplify right side
    12,481.29x = 210,539,318.58
  5. Step 5: Solve for x
    x = 210,539,318.58/12,481.29
  6. Step 6: Final answer
    x = 16,868.39

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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.