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Finding the Fourth Proportional to 6,865.62, 10,295.99 and 2,967.90

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Solution

The fourth proportional to 6,865.62, 10,295.99 and 2,967.90 is: 4,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.62 : 10,295.99 = 2,967.90 : x
  2. Step 2: Convert to fraction form
    6,865.62/10,295.99 = 2,967.90/x
  3. Step 3: Cross multiply
    6,865.62x = 10,295.99 × 2,967.90
  4. Step 4: Simplify right side
    6,865.62x = 30,557,426.40
  5. Step 5: Solve for x
    x = 30,557,426.40/6,865.62
  6. Step 6: Final answer
    x = 4,450.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.