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Finding the Fourth Proportional to 5,252.99, 7,879.48 and 3,604.54

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Solution

The fourth proportional to 5,252.99, 7,879.48 and 3,604.54 is: 5,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.99 : 7,879.48 = 3,604.54 : x
  2. Step 2: Convert to fraction form
    5,252.99/7,879.48 = 3,604.54/x
  3. Step 3: Cross multiply
    5,252.99x = 7,879.48 × 3,604.54
  4. Step 4: Simplify right side
    5,252.99x = 28,401,900.84
  5. Step 5: Solve for x
    x = 28,401,900.84/5,252.99
  6. Step 6: Final answer
    x = 5,406.81

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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.