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Finding the Fourth Proportional to 26,969.51, 40,458.89 and 8,249.09

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Solution

The fourth proportional to 26,969.51, 40,458.89 and 8,249.09 is: 12,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.51 : 40,458.89 = 8,249.09 : x
  2. Step 2: Convert to fraction form
    26,969.51/40,458.89 = 8,249.09/x
  3. Step 3: Cross multiply
    26,969.51x = 40,458.89 × 8,249.09
  4. Step 4: Simplify right side
    26,969.51x = 333,749,070.82
  5. Step 5: Solve for x
    x = 333,749,070.82/26,969.51
  6. Step 6: Final answer
    x = 12,375.05

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1.5x scale

Why These Related Problems?

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