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Finding the Fourth Proportional to 8,245.97, 12,367.65 and 2,699.19

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Solution

The fourth proportional to 8,245.97, 12,367.65 and 2,699.19 is: 4,048.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.97 : 12,367.65 = 2,699.19 : x
  2. Step 2: Convert to fraction form
    8,245.97/12,367.65 = 2,699.19/x
  3. Step 3: Cross multiply
    8,245.97x = 12,367.65 × 2,699.19
  4. Step 4: Simplify right side
    8,245.97x = 33,382,647.33
  5. Step 5: Solve for x
    x = 33,382,647.33/8,245.97
  6. Step 6: Final answer
    x = 4,048.36

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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.