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Finding the Fourth Proportional to 18,059.52, 27,093.28 and 6,372.80

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Solution

The fourth proportional to 18,059.52, 27,093.28 and 6,372.80 is: 9,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.52 : 27,093.28 = 6,372.80 : x
  2. Step 2: Convert to fraction form
    18,059.52/27,093.28 = 6,372.80/x
  3. Step 3: Cross multiply
    18,059.52x = 27,093.28 × 6,372.80
  4. Step 4: Simplify right side
    18,059.52x = 172,660,054.78
  5. Step 5: Solve for x
    x = 172,660,054.78/18,059.52
  6. Step 6: Final answer
    x = 9,560.61

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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.