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Finding the Fourth Proportional to 7,023.26, 9,692.03 and 3,879.38

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Solution

The fourth proportional to 7,023.26, 9,692.03 and 3,879.38 is: 5,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.26 : 9,692.03 = 3,879.38 : x
  2. Step 2: Convert to fraction form
    7,023.26/9,692.03 = 3,879.38/x
  3. Step 3: Cross multiply
    7,023.26x = 9,692.03 × 3,879.38
  4. Step 4: Simplify right side
    7,023.26x = 37,598,999.48
  5. Step 5: Solve for x
    x = 37,598,999.48/7,023.26
  6. Step 6: Final answer
    x = 5,353.50

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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.