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Finding the Fourth Proportional to 6,879.44, 9,494.69 and 5,549.02

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Solution

The fourth proportional to 6,879.44, 9,494.69 and 5,549.02 is: 7,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.44 : 9,494.69 = 5,549.02 : x
  2. Step 2: Convert to fraction form
    6,879.44/9,494.69 = 5,549.02/x
  3. Step 3: Cross multiply
    6,879.44x = 9,494.69 × 5,549.02
  4. Step 4: Simplify right side
    6,879.44x = 52,686,173.22
  5. Step 5: Solve for x
    x = 52,686,173.22/6,879.44
  6. Step 6: Final answer
    x = 7,658.49

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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.