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Finding the Fourth Proportional to 18,543.14, 27,811.86 and 6,063.22

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Solution

The fourth proportional to 18,543.14, 27,811.86 and 6,063.22 is: 9,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.14 : 27,811.86 = 6,063.22 : x
  2. Step 2: Convert to fraction form
    18,543.14/27,811.86 = 6,063.22/x
  3. Step 3: Cross multiply
    18,543.14x = 27,811.86 × 6,063.22
  4. Step 4: Simplify right side
    18,543.14x = 168,629,425.79
  5. Step 5: Solve for x
    x = 168,629,425.79/18,543.14
  6. Step 6: Final answer
    x = 9,093.90

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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.