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Finding the Fourth Proportional to 6,804.03, 9,390.09 and 3,819.67

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Solution

The fourth proportional to 6,804.03, 9,390.09 and 3,819.67 is: 5,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.03 : 9,390.09 = 3,819.67 : x
  2. Step 2: Convert to fraction form
    6,804.03/9,390.09 = 3,819.67/x
  3. Step 3: Cross multiply
    6,804.03x = 9,390.09 × 3,819.67
  4. Step 4: Simplify right side
    6,804.03x = 35,867,045.07
  5. Step 5: Solve for x
    x = 35,867,045.07/6,804.03
  6. Step 6: Final answer
    x = 5,271.44

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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.