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Finding the Fourth Proportional to 18,543.62, 27,813.11 and 6,062.60

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Solution

The fourth proportional to 18,543.62, 27,813.11 and 6,062.60 is: 9,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.62 : 27,813.11 = 6,062.60 : x
  2. Step 2: Convert to fraction form
    18,543.62/27,813.11 = 6,062.60/x
  3. Step 3: Cross multiply
    18,543.62x = 27,813.11 × 6,062.60
  4. Step 4: Simplify right side
    18,543.62x = 168,619,760.69
  5. Step 5: Solve for x
    x = 168,619,760.69/18,543.62
  6. Step 6: Final answer
    x = 9,093.14

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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.