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Finding the Fourth Proportional to 2,673.87, 4,012.83 and 1,214.03

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Solution

The fourth proportional to 2,673.87, 4,012.83 and 1,214.03 is: 1,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.87 : 4,012.83 = 1,214.03 : x
  2. Step 2: Convert to fraction form
    2,673.87/4,012.83 = 1,214.03/x
  3. Step 3: Cross multiply
    2,673.87x = 4,012.83 × 1,214.03
  4. Step 4: Simplify right side
    2,673.87x = 4,871,675.94
  5. Step 5: Solve for x
    x = 4,871,675.94/2,673.87
  6. Step 6: Final answer
    x = 1,821.96

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Why These Related Problems?

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