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Finding the Fourth Proportional to 2,998.89, 4,497.93 and 1,267.92

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Solution

The fourth proportional to 2,998.89, 4,497.93 and 1,267.92 is: 1,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.89 : 4,497.93 = 1,267.92 : x
  2. Step 2: Convert to fraction form
    2,998.89/4,497.93 = 1,267.92/x
  3. Step 3: Cross multiply
    2,998.89x = 4,497.93 × 1,267.92
  4. Step 4: Simplify right side
    2,998.89x = 5,703,015.41
  5. Step 5: Solve for x
    x = 5,703,015.41/2,998.89
  6. Step 6: Final answer
    x = 1,901.71

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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.