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Finding the Fourth Proportional to 1,863.97, 2,793.21 and 1,474.99

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Solution

The fourth proportional to 1,863.97, 2,793.21 and 1,474.99 is: 2,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.97 : 2,793.21 = 1,474.99 : x
  2. Step 2: Convert to fraction form
    1,863.97/2,793.21 = 1,474.99/x
  3. Step 3: Cross multiply
    1,863.97x = 2,793.21 × 1,474.99
  4. Step 4: Simplify right side
    1,863.97x = 4,119,956.82
  5. Step 5: Solve for x
    x = 4,119,956.82/1,863.97
  6. Step 6: Final answer
    x = 2,210.31

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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.