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Finding the Fourth Proportional to 1,794.04, 2,691.23 and 698.49

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Solution

The fourth proportional to 1,794.04, 2,691.23 and 698.49 is: 1,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.04 : 2,691.23 = 698.49 : x
  2. Step 2: Convert to fraction form
    1,794.04/2,691.23 = 698.49/x
  3. Step 3: Cross multiply
    1,794.04x = 2,691.23 × 698.49
  4. Step 4: Simplify right side
    1,794.04x = 1,879,797.24
  5. Step 5: Solve for x
    x = 1,879,797.24/1,794.04
  6. Step 6: Final answer
    x = 1,047.80

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1.5x scale

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.