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Finding the Fourth Proportional to 1,902.75, 2,854.25 and 733.31

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Solution

The fourth proportional to 1,902.75, 2,854.25 and 733.31 is: 1,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.75 : 2,854.25 = 733.31 : x
  2. Step 2: Convert to fraction form
    1,902.75/2,854.25 = 733.31/x
  3. Step 3: Cross multiply
    1,902.75x = 2,854.25 × 733.31
  4. Step 4: Simplify right side
    1,902.75x = 2,093,050.07
  5. Step 5: Solve for x
    x = 2,093,050.07/1,902.75
  6. Step 6: Final answer
    x = 1,100.01

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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.