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Finding the Fourth Proportional to 2,815.98, 4,224.24 and 967.44

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Solution

The fourth proportional to 2,815.98, 4,224.24 and 967.44 is: 1,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.98 : 4,224.24 = 967.44 : x
  2. Step 2: Convert to fraction form
    2,815.98/4,224.24 = 967.44/x
  3. Step 3: Cross multiply
    2,815.98x = 4,224.24 × 967.44
  4. Step 4: Simplify right side
    2,815.98x = 4,086,698.75
  5. Step 5: Solve for x
    x = 4,086,698.75/2,815.98
  6. Step 6: Final answer
    x = 1,451.25

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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.