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Finding the Fourth Proportional to 6,788.37, 9,369.42 and 3,956.22

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Solution

The fourth proportional to 6,788.37, 9,369.42 and 3,956.22 is: 5,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.37 : 9,369.42 = 3,956.22 : x
  2. Step 2: Convert to fraction form
    6,788.37/9,369.42 = 3,956.22/x
  3. Step 3: Cross multiply
    6,788.37x = 9,369.42 × 3,956.22
  4. Step 4: Simplify right side
    6,788.37x = 37,067,486.79
  5. Step 5: Solve for x
    x = 37,067,486.79/6,788.37
  6. Step 6: Final answer
    x = 5,460.44

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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.