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Finding the Fourth Proportional to 18,054.88, 27,093.86 and 7,666.62

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Solution

The fourth proportional to 18,054.88, 27,093.86 and 7,666.62 is: 11,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.88 : 27,093.86 = 7,666.62 : x
  2. Step 2: Convert to fraction form
    18,054.88/27,093.86 = 7,666.62/x
  3. Step 3: Cross multiply
    18,054.88x = 27,093.86 × 7,666.62
  4. Step 4: Simplify right side
    18,054.88x = 207,718,328.95
  5. Step 5: Solve for x
    x = 207,718,328.95/18,054.88
  6. Step 6: Final answer
    x = 11,504.83

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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.