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Finding the Fourth Proportional to 6,078.22, 8,388.22 and 3,425.74

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Solution

The fourth proportional to 6,078.22, 8,388.22 and 3,425.74 is: 4,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.22 : 8,388.22 = 3,425.74 : x
  2. Step 2: Convert to fraction form
    6,078.22/8,388.22 = 3,425.74/x
  3. Step 3: Cross multiply
    6,078.22x = 8,388.22 × 3,425.74
  4. Step 4: Simplify right side
    6,078.22x = 28,735,860.78
  5. Step 5: Solve for x
    x = 28,735,860.78/6,078.22
  6. Step 6: Final answer
    x = 4,727.68

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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.