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Finding the Fourth Proportional to 4,917.96, 7,362.36 and 4,519.44

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Solution

The fourth proportional to 4,917.96, 7,362.36 and 4,519.44 is: 6,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.96 : 7,362.36 = 4,519.44 : x
  2. Step 2: Convert to fraction form
    4,917.96/7,362.36 = 4,519.44/x
  3. Step 3: Cross multiply
    4,917.96x = 7,362.36 × 4,519.44
  4. Step 4: Simplify right side
    4,917.96x = 33,273,744.28
  5. Step 5: Solve for x
    x = 33,273,744.28/4,917.96
  6. Step 6: Final answer
    x = 6,765.76

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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.