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Finding the Fourth Proportional to 2,070.97, 3,104.33 and 683.03

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Solution

The fourth proportional to 2,070.97, 3,104.33 and 683.03 is: 1,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.97 : 3,104.33 = 683.03 : x
  2. Step 2: Convert to fraction form
    2,070.97/3,104.33 = 683.03/x
  3. Step 3: Cross multiply
    2,070.97x = 3,104.33 × 683.03
  4. Step 4: Simplify right side
    2,070.97x = 2,120,354.87
  5. Step 5: Solve for x
    x = 2,120,354.87/2,070.97
  6. Step 6: Final answer
    x = 1,023.85

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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.