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Finding the Fourth Proportional to 17,992.41, 26,990.41 and 5,512.29

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Solution

The fourth proportional to 17,992.41, 26,990.41 and 5,512.29 is: 8,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.41 : 26,990.41 = 5,512.29 : x
  2. Step 2: Convert to fraction form
    17,992.41/26,990.41 = 5,512.29/x
  3. Step 3: Cross multiply
    17,992.41x = 26,990.41 × 5,512.29
  4. Step 4: Simplify right side
    17,992.41x = 148,778,967.14
  5. Step 5: Solve for x
    x = 148,778,967.14/17,992.41
  6. Step 6: Final answer
    x = 8,268.98

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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.