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Finding the Fourth Proportional to 3,828.81, 5,744.59 and 1,882.38

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Solution

The fourth proportional to 3,828.81, 5,744.59 and 1,882.38 is: 2,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.81 : 5,744.59 = 1,882.38 : x
  2. Step 2: Convert to fraction form
    3,828.81/5,744.59 = 1,882.38/x
  3. Step 3: Cross multiply
    3,828.81x = 5,744.59 × 1,882.38
  4. Step 4: Simplify right side
    3,828.81x = 10,813,501.32
  5. Step 5: Solve for x
    x = 10,813,501.32/3,828.81
  6. Step 6: Final answer
    x = 2,824.25

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