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Finding the Fourth Proportional to 2,907.73, 4,010.97 and 2,713.33

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Solution

The fourth proportional to 2,907.73, 4,010.97 and 2,713.33 is: 3,742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.73 : 4,010.97 = 2,713.33 : x
  2. Step 2: Convert to fraction form
    2,907.73/4,010.97 = 2,713.33/x
  3. Step 3: Cross multiply
    2,907.73x = 4,010.97 × 2,713.33
  4. Step 4: Simplify right side
    2,907.73x = 10,883,085.23
  5. Step 5: Solve for x
    x = 10,883,085.23/2,907.73
  6. Step 6: Final answer
    x = 3,742.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.