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Finding the Fourth Proportional to 2,696.85, 3,721.73 and 1,518.03

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Solution

The fourth proportional to 2,696.85, 3,721.73 and 1,518.03 is: 2,094.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.85 : 3,721.73 = 1,518.03 : x
  2. Step 2: Convert to fraction form
    2,696.85/3,721.73 = 1,518.03/x
  3. Step 3: Cross multiply
    2,696.85x = 3,721.73 × 1,518.03
  4. Step 4: Simplify right side
    2,696.85x = 5,649,690.20
  5. Step 5: Solve for x
    x = 5,649,690.20/2,696.85
  6. Step 6: Final answer
    x = 2,094.92

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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.