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Finding the Fourth Proportional to 2,762.91, 4,144.37 and 2,751.98

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Solution

The fourth proportional to 2,762.91, 4,144.37 and 2,751.98 is: 4,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.91 : 4,144.37 = 2,751.98 : x
  2. Step 2: Convert to fraction form
    2,762.91/4,144.37 = 2,751.98/x
  3. Step 3: Cross multiply
    2,762.91x = 4,144.37 × 2,751.98
  4. Step 4: Simplify right side
    2,762.91x = 11,405,188.87
  5. Step 5: Solve for x
    x = 11,405,188.87/2,762.91
  6. Step 6: Final answer
    x = 4,127.96

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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.