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Finding the Fourth Proportional to 11,992.01, 17,966.47 and 7,058.96

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Solution

The fourth proportional to 11,992.01, 17,966.47 and 7,058.96 is: 10,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.01 : 17,966.47 = 7,058.96 : x
  2. Step 2: Convert to fraction form
    11,992.01/17,966.47 = 7,058.96/x
  3. Step 3: Cross multiply
    11,992.01x = 17,966.47 × 7,058.96
  4. Step 4: Simplify right side
    11,992.01x = 126,824,601.39
  5. Step 5: Solve for x
    x = 126,824,601.39/11,992.01
  6. Step 6: Final answer
    x = 10,575.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.