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Finding the Fourth Proportional to 2,035.75, 3,053.66 and 667.75

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Solution

The fourth proportional to 2,035.75, 3,053.66 and 667.75 is: 1,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.75 : 3,053.66 = 667.75 : x
  2. Step 2: Convert to fraction form
    2,035.75/3,053.66 = 667.75/x
  3. Step 3: Cross multiply
    2,035.75x = 3,053.66 × 667.75
  4. Step 4: Simplify right side
    2,035.75x = 2,039,078.13
  5. Step 5: Solve for x
    x = 2,039,078.13/2,035.75
  6. Step 6: Final answer
    x = 1,001.63

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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.