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Finding the Fourth Proportional to 26,899.98, 40,352.13 and 8,181.69

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Solution

The fourth proportional to 26,899.98, 40,352.13 and 8,181.69 is: 12,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,899.98 : 40,352.13 = 8,181.69 : x
  2. Step 2: Convert to fraction form
    26,899.98/40,352.13 = 8,181.69/x
  3. Step 3: Cross multiply
    26,899.98x = 40,352.13 × 8,181.69
  4. Step 4: Simplify right side
    26,899.98x = 330,148,618.50
  5. Step 5: Solve for x
    x = 330,148,618.50/26,899.98
  6. Step 6: Final answer
    x = 12,273.19

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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.