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Finding the Fourth Proportional to 6,879.04, 10,321.44 and 4,946.56

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Solution

The fourth proportional to 6,879.04, 10,321.44 and 4,946.56 is: 7,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.04 : 10,321.44 = 4,946.56 : x
  2. Step 2: Convert to fraction form
    6,879.04/10,321.44 = 4,946.56/x
  3. Step 3: Cross multiply
    6,879.04x = 10,321.44 × 4,946.56
  4. Step 4: Simplify right side
    6,879.04x = 51,055,622.25
  5. Step 5: Solve for x
    x = 51,055,622.25/6,879.04
  6. Step 6: Final answer
    x = 7,421.91

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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.