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Finding the Fourth Proportional to 16,660.68, 24,986.16 and 7,893.24

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Solution

The fourth proportional to 16,660.68, 24,986.16 and 7,893.24 is: 11,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.68 : 24,986.16 = 7,893.24 : x
  2. Step 2: Convert to fraction form
    16,660.68/24,986.16 = 7,893.24/x
  3. Step 3: Cross multiply
    16,660.68x = 24,986.16 × 7,893.24
  4. Step 4: Simplify right side
    16,660.68x = 197,221,757.56
  5. Step 5: Solve for x
    x = 197,221,757.56/16,660.68
  6. Step 6: Final answer
    x = 11,837.56

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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.