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Finding the Fourth Proportional to 17,997.99, 27,009.84 and 8,005.42

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Solution

The fourth proportional to 17,997.99, 27,009.84 and 8,005.42 is: 12,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.99 : 27,009.84 = 8,005.42 : x
  2. Step 2: Convert to fraction form
    17,997.99/27,009.84 = 8,005.42/x
  3. Step 3: Cross multiply
    17,997.99x = 27,009.84 × 8,005.42
  4. Step 4: Simplify right side
    17,997.99x = 216,225,113.33
  5. Step 5: Solve for x
    x = 216,225,113.33/17,997.99
  6. Step 6: Final answer
    x = 12,013.85

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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.