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Finding the Fourth Proportional to 13,241.94, 18,274.03 and 7,273.75

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Solution

The fourth proportional to 13,241.94, 18,274.03 and 7,273.75 is: 10,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.94 : 18,274.03 = 7,273.75 : x
  2. Step 2: Convert to fraction form
    13,241.94/18,274.03 = 7,273.75/x
  3. Step 3: Cross multiply
    13,241.94x = 18,274.03 × 7,273.75
  4. Step 4: Simplify right side
    13,241.94x = 132,920,661.84
  5. Step 5: Solve for x
    x = 132,920,661.84/13,241.94
  6. Step 6: Final answer
    x = 10,037.85

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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.