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Finding the Fourth Proportional to 6,974.67, 9,622.08 and 5,907.90

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Solution

The fourth proportional to 6,974.67, 9,622.08 and 5,907.90 is: 8,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.67 : 9,622.08 = 5,907.90 : x
  2. Step 2: Convert to fraction form
    6,974.67/9,622.08 = 5,907.90/x
  3. Step 3: Cross multiply
    6,974.67x = 9,622.08 × 5,907.90
  4. Step 4: Simplify right side
    6,974.67x = 56,846,286.43
  5. Step 5: Solve for x
    x = 56,846,286.43/6,974.67
  6. Step 6: Final answer
    x = 8,150.39

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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.