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Finding the Fourth Proportional to 3,460.73, 4,775.33 and 1,968.36

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Solution

The fourth proportional to 3,460.73, 4,775.33 and 1,968.36 is: 2,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.73 : 4,775.33 = 1,968.36 : x
  2. Step 2: Convert to fraction form
    3,460.73/4,775.33 = 1,968.36/x
  3. Step 3: Cross multiply
    3,460.73x = 4,775.33 × 1,968.36
  4. Step 4: Simplify right side
    3,460.73x = 9,399,558.72
  5. Step 5: Solve for x
    x = 9,399,558.72/3,460.73
  6. Step 6: Final answer
    x = 2,716.07

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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.