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Finding the Fourth Proportional to 1,510, 2,083.24 and 949.52

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Solution

The fourth proportional to 1,510, 2,083.24 and 949.52 is: 1,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510 : 2,083.24 = 949.52 : x
  2. Step 2: Convert to fraction form
    1,510/2,083.24 = 949.52/x
  3. Step 3: Cross multiply
    1,510x = 2,083.24 × 949.52
  4. Step 4: Simplify right side
    1,510x = 1,978,078.04
  5. Step 5: Solve for x
    x = 1,978,078.04/1,510
  6. Step 6: Final answer
    x = 1,309.99

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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.