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Finding the Fourth Proportional to 18,183.88, 25,087.62 and 10,627.84

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Solution

The fourth proportional to 18,183.88, 25,087.62 and 10,627.84 is: 14,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.88 : 25,087.62 = 10,627.84 : x
  2. Step 2: Convert to fraction form
    18,183.88/25,087.62 = 10,627.84/x
  3. Step 3: Cross multiply
    18,183.88x = 25,087.62 × 10,627.84
  4. Step 4: Simplify right side
    18,183.88x = 266,627,211.34
  5. Step 5: Solve for x
    x = 266,627,211.34/18,183.88
  6. Step 6: Final answer
    x = 14,662.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.