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Finding the Fourth Proportional to 6,375.78, 9,554.76 and 3,087.99

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Solution

The fourth proportional to 6,375.78, 9,554.76 and 3,087.99 is: 4,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.78 : 9,554.76 = 3,087.99 : x
  2. Step 2: Convert to fraction form
    6,375.78/9,554.76 = 3,087.99/x
  3. Step 3: Cross multiply
    6,375.78x = 9,554.76 × 3,087.99
  4. Step 4: Simplify right side
    6,375.78x = 29,505,003.33
  5. Step 5: Solve for x
    x = 29,505,003.33/6,375.78
  6. Step 6: Final answer
    x = 4,627.67

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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.