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Finding the Fourth Proportional to 8,992.99, 13,489.49 and 2,419.84

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Solution

The fourth proportional to 8,992.99, 13,489.49 and 2,419.84 is: 3,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.99 : 13,489.49 = 2,419.84 : x
  2. Step 2: Convert to fraction form
    8,992.99/13,489.49 = 2,419.84/x
  3. Step 3: Cross multiply
    8,992.99x = 13,489.49 × 2,419.84
  4. Step 4: Simplify right side
    8,992.99x = 32,642,416.78
  5. Step 5: Solve for x
    x = 32,642,416.78/8,992.99
  6. Step 6: Final answer
    x = 3,629.76

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Similar ratio
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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.