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Finding the Fourth Proportional to 1,694.94, 2,540.24 and 1,474.65

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Solution

The fourth proportional to 1,694.94, 2,540.24 and 1,474.65 is: 2,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.94 : 2,540.24 = 1,474.65 : x
  2. Step 2: Convert to fraction form
    1,694.94/2,540.24 = 1,474.65/x
  3. Step 3: Cross multiply
    1,694.94x = 2,540.24 × 1,474.65
  4. Step 4: Simplify right side
    1,694.94x = 3,745,957.54
  5. Step 5: Solve for x
    x = 3,745,957.54/1,694.94
  6. Step 6: Final answer
    x = 2,210.08

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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.