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Finding the Fourth Proportional to 2,069.67, 3,104.70 and 683.02

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Solution

The fourth proportional to 2,069.67, 3,104.70 and 683.02 is: 1,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.67 : 3,104.70 = 683.02 : x
  2. Step 2: Convert to fraction form
    2,069.67/3,104.70 = 683.02/x
  3. Step 3: Cross multiply
    2,069.67x = 3,104.70 × 683.02
  4. Step 4: Simplify right side
    2,069.67x = 2,120,572.19
  5. Step 5: Solve for x
    x = 2,120,572.19/2,069.67
  6. Step 6: Final answer
    x = 1,024.59

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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.