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Finding the Fourth Proportional to 17,998.94, 27,002.92 and 6,311.82

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Solution

The fourth proportional to 17,998.94, 27,002.92 and 6,311.82 is: 9,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.94 : 27,002.92 = 6,311.82 : x
  2. Step 2: Convert to fraction form
    17,998.94/27,002.92 = 6,311.82/x
  3. Step 3: Cross multiply
    17,998.94x = 27,002.92 × 6,311.82
  4. Step 4: Simplify right side
    17,998.94x = 170,437,570.51
  5. Step 5: Solve for x
    x = 170,437,570.51/17,998.94
  6. Step 6: Final answer
    x = 9,469.31

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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.