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Finding the Fourth Proportional to 6,578.34, 9,078.39 and 3,745.95

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Solution

The fourth proportional to 6,578.34, 9,078.39 and 3,745.95 is: 5,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578.34 : 9,078.39 = 3,745.95 : x
  2. Step 2: Convert to fraction form
    6,578.34/9,078.39 = 3,745.95/x
  3. Step 3: Cross multiply
    6,578.34x = 9,078.39 × 3,745.95
  4. Step 4: Simplify right side
    6,578.34x = 34,007,195.02
  5. Step 5: Solve for x
    x = 34,007,195.02/6,578.34
  6. Step 6: Final answer
    x = 5,169.57

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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.