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Finding the Fourth Proportional to 4,441.97, 6,662.96 and 1,520.30

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Solution

The fourth proportional to 4,441.97, 6,662.96 and 1,520.30 is: 2,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.97 : 6,662.96 = 1,520.30 : x
  2. Step 2: Convert to fraction form
    4,441.97/6,662.96 = 1,520.30/x
  3. Step 3: Cross multiply
    4,441.97x = 6,662.96 × 1,520.30
  4. Step 4: Simplify right side
    4,441.97x = 10,129,698.09
  5. Step 5: Solve for x
    x = 10,129,698.09/4,441.97
  6. Step 6: Final answer
    x = 2,280.45

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Double scale
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Similar ratio
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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.