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Finding the Fourth Proportional to 2,982.69, 4,471.47 and 1,034.64

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Solution

The fourth proportional to 2,982.69, 4,471.47 and 1,034.64 is: 1,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.69 : 4,471.47 = 1,034.64 : x
  2. Step 2: Convert to fraction form
    2,982.69/4,471.47 = 1,034.64/x
  3. Step 3: Cross multiply
    2,982.69x = 4,471.47 × 1,034.64
  4. Step 4: Simplify right side
    2,982.69x = 4,626,361.72
  5. Step 5: Solve for x
    x = 4,626,361.72/2,982.69
  6. Step 6: Final answer
    x = 1,551.07

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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.