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Finding the Fourth Proportional to 18,060.66, 27,093.99 and 6,213.95

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Solution

The fourth proportional to 18,060.66, 27,093.99 and 6,213.95 is: 9,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.66 : 27,093.99 = 6,213.95 : x
  2. Step 2: Convert to fraction form
    18,060.66/27,093.99 = 6,213.95/x
  3. Step 3: Cross multiply
    18,060.66x = 27,093.99 × 6,213.95
  4. Step 4: Simplify right side
    18,060.66x = 168,360,563.69
  5. Step 5: Solve for x
    x = 168,360,563.69/18,060.66
  6. Step 6: Final answer
    x = 9,321.95

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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.