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Finding the Fourth Proportional to 12,379.01, 17,081.96 and 7,273.98

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Solution

The fourth proportional to 12,379.01, 17,081.96 and 7,273.98 is: 10,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379.01 : 17,081.96 = 7,273.98 : x
  2. Step 2: Convert to fraction form
    12,379.01/17,081.96 = 7,273.98/x
  3. Step 3: Cross multiply
    12,379.01x = 17,081.96 × 7,273.98
  4. Step 4: Simplify right side
    12,379.01x = 124,253,799.03
  5. Step 5: Solve for x
    x = 124,253,799.03/12,379.01
  6. Step 6: Final answer
    x = 10,037.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.