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Finding the Fourth Proportional to 5,344.99, 7,375.66 and 2,986.67

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Solution

The fourth proportional to 5,344.99, 7,375.66 and 2,986.67 is: 4,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.99 : 7,375.66 = 2,986.67 : x
  2. Step 2: Convert to fraction form
    5,344.99/7,375.66 = 2,986.67/x
  3. Step 3: Cross multiply
    5,344.99x = 7,375.66 × 2,986.67
  4. Step 4: Simplify right side
    5,344.99x = 22,028,673.42
  5. Step 5: Solve for x
    x = 22,028,673.42/5,344.99
  6. Step 6: Final answer
    x = 4,121.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.