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Finding the Fourth Proportional to 17,181.22, 25,728.08 and 11,320.06

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Solution

The fourth proportional to 17,181.22, 25,728.08 and 11,320.06 is: 16,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.22 : 25,728.08 = 11,320.06 : x
  2. Step 2: Convert to fraction form
    17,181.22/25,728.08 = 11,320.06/x
  3. Step 3: Cross multiply
    17,181.22x = 25,728.08 × 11,320.06
  4. Step 4: Simplify right side
    17,181.22x = 291,243,352.68
  5. Step 5: Solve for x
    x = 291,243,352.68/17,181.22
  6. Step 6: Final answer
    x = 16,951.26

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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.