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Finding the Fourth Proportional to 26,961.94, 40,464.06 and 18,699.94

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Solution

The fourth proportional to 26,961.94, 40,464.06 and 18,699.94 is: 28,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,961.94 : 40,464.06 = 18,699.94 : x
  2. Step 2: Convert to fraction form
    26,961.94/40,464.06 = 18,699.94/x
  3. Step 3: Cross multiply
    26,961.94x = 40,464.06 × 18,699.94
  4. Step 4: Simplify right side
    26,961.94x = 756,675,494.16
  5. Step 5: Solve for x
    x = 756,675,494.16/26,961.94
  6. Step 6: Final answer
    x = 28,064.58

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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.