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Finding the Fourth Proportional to 3,061.14, 4,224.72 and 1,819.14

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Solution

The fourth proportional to 3,061.14, 4,224.72 and 1,819.14 is: 2,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.14 : 4,224.72 = 1,819.14 : x
  2. Step 2: Convert to fraction form
    3,061.14/4,224.72 = 1,819.14/x
  3. Step 3: Cross multiply
    3,061.14x = 4,224.72 × 1,819.14
  4. Step 4: Simplify right side
    3,061.14x = 7,685,357.14
  5. Step 5: Solve for x
    x = 7,685,357.14/3,061.14
  6. Step 6: Final answer
    x = 2,510.62

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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.