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Finding the Fourth Proportional to 6,174.92, 8,525.00 and 3,940.23

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Solution

The fourth proportional to 6,174.92, 8,525.00 and 3,940.23 is: 5,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.92 : 8,525.00 = 3,940.23 : x
  2. Step 2: Convert to fraction form
    6,174.92/8,525.00 = 3,940.23/x
  3. Step 3: Cross multiply
    6,174.92x = 8,525.00 × 3,940.23
  4. Step 4: Simplify right side
    6,174.92x = 33,590,441.05
  5. Step 5: Solve for x
    x = 33,590,441.05/6,174.92
  6. Step 6: Final answer
    x = 5,439.82

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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.