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Finding the Fourth Proportional to 8,078.99, 12,096.90 and 4,744.47

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Solution

The fourth proportional to 8,078.99, 12,096.90 and 4,744.47 is: 7,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.99 : 12,096.90 = 4,744.47 : x
  2. Step 2: Convert to fraction form
    8,078.99/12,096.90 = 4,744.47/x
  3. Step 3: Cross multiply
    8,078.99x = 12,096.90 × 4,744.47
  4. Step 4: Simplify right side
    8,078.99x = 57,393,379.14
  5. Step 5: Solve for x
    x = 57,393,379.14/8,078.99
  6. Step 6: Final answer
    x = 7,104.03

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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.