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Finding the Fourth Proportional to 4,452.99, 6,679.37 and 2,143.95

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Solution

The fourth proportional to 4,452.99, 6,679.37 and 2,143.95 is: 3,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.99 : 6,679.37 = 2,143.95 : x
  2. Step 2: Convert to fraction form
    4,452.99/6,679.37 = 2,143.95/x
  3. Step 3: Cross multiply
    4,452.99x = 6,679.37 × 2,143.95
  4. Step 4: Simplify right side
    4,452.99x = 14,320,224.59
  5. Step 5: Solve for x
    x = 14,320,224.59/4,452.99
  6. Step 6: Final answer
    x = 3,215.87

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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.