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Finding the Fourth Proportional to 6,775.99, 10,163.97 and 3,490.02

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Solution

The fourth proportional to 6,775.99, 10,163.97 and 3,490.02 is: 5,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.99 : 10,163.97 = 3,490.02 : x
  2. Step 2: Convert to fraction form
    6,775.99/10,163.97 = 3,490.02/x
  3. Step 3: Cross multiply
    6,775.99x = 10,163.97 × 3,490.02
  4. Step 4: Simplify right side
    6,775.99x = 35,472,458.58
  5. Step 5: Solve for x
    x = 35,472,458.58/6,775.99
  6. Step 6: Final answer
    x = 5,235.02

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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.