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Finding the Fourth Proportional to 23,049.32, 31,745.94 and 19,900.04

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Solution

The fourth proportional to 23,049.32, 31,745.94 and 19,900.04 is: 27,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,049.32 : 31,745.94 = 19,900.04 : x
  2. Step 2: Convert to fraction form
    23,049.32/31,745.94 = 19,900.04/x
  3. Step 3: Cross multiply
    23,049.32x = 31,745.94 × 19,900.04
  4. Step 4: Simplify right side
    23,049.32x = 631,745,475.84
  5. Step 5: Solve for x
    x = 631,745,475.84/23,049.32
  6. Step 6: Final answer
    x = 27,408.42

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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.