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Finding the Fourth Proportional to 2,615.01, 3,608.69 and 1,419.97

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Solution

The fourth proportional to 2,615.01, 3,608.69 and 1,419.97 is: 1,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.01 : 3,608.69 = 1,419.97 : x
  2. Step 2: Convert to fraction form
    2,615.01/3,608.69 = 1,419.97/x
  3. Step 3: Cross multiply
    2,615.01x = 3,608.69 × 1,419.97
  4. Step 4: Simplify right side
    2,615.01x = 5,124,231.54
  5. Step 5: Solve for x
    x = 5,124,231.54/2,615.01
  6. Step 6: Final answer
    x = 1,959.55

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