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Finding the Fourth Proportional to 7,293.99, 10,942.61 and 3,782.91

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Solution

The fourth proportional to 7,293.99, 10,942.61 and 3,782.91 is: 5,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.99 : 10,942.61 = 3,782.91 : x
  2. Step 2: Convert to fraction form
    7,293.99/10,942.61 = 3,782.91/x
  3. Step 3: Cross multiply
    7,293.99x = 10,942.61 × 3,782.91
  4. Step 4: Simplify right side
    7,293.99x = 41,394,889.88
  5. Step 5: Solve for x
    x = 41,394,889.88/7,293.99
  6. Step 6: Final answer
    x = 5,675.21

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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.