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Finding the Fourth Proportional to 17,859.86, 26,795.01 and 7,996.84

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Solution

The fourth proportional to 17,859.86, 26,795.01 and 7,996.84 is: 11,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.86 : 26,795.01 = 7,996.84 : x
  2. Step 2: Convert to fraction form
    17,859.86/26,795.01 = 7,996.84/x
  3. Step 3: Cross multiply
    17,859.86x = 26,795.01 × 7,996.84
  4. Step 4: Simplify right side
    17,859.86x = 214,275,340.78
  5. Step 5: Solve for x
    x = 214,275,340.78/17,859.86
  6. Step 6: Final answer
    x = 11,997.59

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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.