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Finding the Fourth Proportional to 26,709.84, 36,860.31 and 14,611.05

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Solution

The fourth proportional to 26,709.84, 36,860.31 and 14,611.05 is: 20,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,709.84 : 36,860.31 = 14,611.05 : x
  2. Step 2: Convert to fraction form
    26,709.84/36,860.31 = 14,611.05/x
  3. Step 3: Cross multiply
    26,709.84x = 36,860.31 × 14,611.05
  4. Step 4: Simplify right side
    26,709.84x = 538,567,832.43
  5. Step 5: Solve for x
    x = 538,567,832.43/26,709.84
  6. Step 6: Final answer
    x = 20,163.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.