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Finding the Fourth Proportional to 5,495.45, 8,227.62 and 4,976.42

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Solution

The fourth proportional to 5,495.45, 8,227.62 and 4,976.42 is: 7,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.45 : 8,227.62 = 4,976.42 : x
  2. Step 2: Convert to fraction form
    5,495.45/8,227.62 = 4,976.42/x
  3. Step 3: Cross multiply
    5,495.45x = 8,227.62 × 4,976.42
  4. Step 4: Simplify right side
    5,495.45x = 40,944,051.58
  5. Step 5: Solve for x
    x = 40,944,051.58/5,495.45
  6. Step 6: Final answer
    x = 7,450.54

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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.