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Finding the Fourth Proportional to 6,798.72, 10,198.09 and 1,868.42

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Solution

The fourth proportional to 6,798.72, 10,198.09 and 1,868.42 is: 2,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.72 : 10,198.09 = 1,868.42 : x
  2. Step 2: Convert to fraction form
    6,798.72/10,198.09 = 1,868.42/x
  3. Step 3: Cross multiply
    6,798.72x = 10,198.09 × 1,868.42
  4. Step 4: Simplify right side
    6,798.72x = 19,054,315.32
  5. Step 5: Solve for x
    x = 19,054,315.32/6,798.72
  6. Step 6: Final answer
    x = 2,802.63

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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.