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Finding the Fourth Proportional to 5,329.85, 7,993.85 and 3,475.44

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Solution

The fourth proportional to 5,329.85, 7,993.85 and 3,475.44 is: 5,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.85 : 7,993.85 = 3,475.44 : x
  2. Step 2: Convert to fraction form
    5,329.85/7,993.85 = 3,475.44/x
  3. Step 3: Cross multiply
    5,329.85x = 7,993.85 × 3,475.44
  4. Step 4: Simplify right side
    5,329.85x = 27,782,128.67
  5. Step 5: Solve for x
    x = 27,782,128.67/5,329.85
  6. Step 6: Final answer
    x = 5,212.56

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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.