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Finding the Fourth Proportional to 17,381.52, 26,072.01 and 6,993

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Solution

The fourth proportional to 17,381.52, 26,072.01 and 6,993 is: 10,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.52 : 26,072.01 = 6,993 : x
  2. Step 2: Convert to fraction form
    17,381.52/26,072.01 = 6,993/x
  3. Step 3: Cross multiply
    17,381.52x = 26,072.01 × 6,993
  4. Step 4: Simplify right side
    17,381.52x = 182,321,565.93
  5. Step 5: Solve for x
    x = 182,321,565.93/17,381.52
  6. Step 6: Final answer
    x = 10,489.39

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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.