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Finding the Fourth Proportional to 3,108.49, 4,662.06 and 1,028.00

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Solution

The fourth proportional to 3,108.49, 4,662.06 and 1,028.00 is: 1,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.49 : 4,662.06 = 1,028.00 : x
  2. Step 2: Convert to fraction form
    3,108.49/4,662.06 = 1,028.00/x
  3. Step 3: Cross multiply
    3,108.49x = 4,662.06 × 1,028.00
  4. Step 4: Simplify right side
    3,108.49x = 4,792,605.48
  5. Step 5: Solve for x
    x = 4,792,605.48/3,108.49
  6. Step 6: Final answer
    x = 1,541.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.