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Finding the Fourth Proportional to 11,998.95, 17,998.44 and 6,444.66

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Solution

The fourth proportional to 11,998.95, 17,998.44 and 6,444.66 is: 9,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.95 : 17,998.44 = 6,444.66 : x
  2. Step 2: Convert to fraction form
    11,998.95/17,998.44 = 6,444.66/x
  3. Step 3: Cross multiply
    11,998.95x = 17,998.44 × 6,444.66
  4. Step 4: Simplify right side
    11,998.95x = 115,993,826.33
  5. Step 5: Solve for x
    x = 115,993,826.33/11,998.95
  6. Step 6: Final answer
    x = 9,667.00

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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.