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Finding the Fourth Proportional to 5,559.99, 7,672.97 and 3,169.92

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Solution

The fourth proportional to 5,559.99, 7,672.97 and 3,169.92 is: 4,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.99 : 7,672.97 = 3,169.92 : x
  2. Step 2: Convert to fraction form
    5,559.99/7,672.97 = 3,169.92/x
  3. Step 3: Cross multiply
    5,559.99x = 7,672.97 × 3,169.92
  4. Step 4: Simplify right side
    5,559.99x = 24,322,685.21
  5. Step 5: Solve for x
    x = 24,322,685.21/5,559.99
  6. Step 6: Final answer
    x = 4,374.59

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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.