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Finding the Fourth Proportional to 2,015.04, 3,020.04 and 1,149.84

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Solution

The fourth proportional to 2,015.04, 3,020.04 and 1,149.84 is: 1,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.04 : 3,020.04 = 1,149.84 : x
  2. Step 2: Convert to fraction form
    2,015.04/3,020.04 = 1,149.84/x
  3. Step 3: Cross multiply
    2,015.04x = 3,020.04 × 1,149.84
  4. Step 4: Simplify right side
    2,015.04x = 3,472,562.79
  5. Step 5: Solve for x
    x = 3,472,562.79/2,015.04
  6. Step 6: Final answer
    x = 1,723.32

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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.