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Finding the Fourth Proportional to 2,998.54, 4,137.01 and 1,671.99

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Solution

The fourth proportional to 2,998.54, 4,137.01 and 1,671.99 is: 2,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.54 : 4,137.01 = 1,671.99 : x
  2. Step 2: Convert to fraction form
    2,998.54/4,137.01 = 1,671.99/x
  3. Step 3: Cross multiply
    2,998.54x = 4,137.01 × 1,671.99
  4. Step 4: Simplify right side
    2,998.54x = 6,917,039.35
  5. Step 5: Solve for x
    x = 6,917,039.35/2,998.54
  6. Step 6: Final answer
    x = 2,306.80

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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.