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Finding the Fourth Proportional to 12,604.99, 17,395.26 and 6,940.33

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Solution

The fourth proportional to 12,604.99, 17,395.26 and 6,940.33 is: 9,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.99 : 17,395.26 = 6,940.33 : x
  2. Step 2: Convert to fraction form
    12,604.99/17,395.26 = 6,940.33/x
  3. Step 3: Cross multiply
    12,604.99x = 17,395.26 × 6,940.33
  4. Step 4: Simplify right side
    12,604.99x = 120,728,844.84
  5. Step 5: Solve for x
    x = 120,728,844.84/12,604.99
  6. Step 6: Final answer
    x = 9,577.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.