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Finding the Fourth Proportional to 17,824.99, 26,739.78 and 8,330.68

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Solution

The fourth proportional to 17,824.99, 26,739.78 and 8,330.68 is: 12,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,824.99 : 26,739.78 = 8,330.68 : x
  2. Step 2: Convert to fraction form
    17,824.99/26,739.78 = 8,330.68/x
  3. Step 3: Cross multiply
    17,824.99x = 26,739.78 × 8,330.68
  4. Step 4: Simplify right side
    17,824.99x = 222,760,550.45
  5. Step 5: Solve for x
    x = 222,760,550.45/17,824.99
  6. Step 6: Final answer
    x = 12,497.09

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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.