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Finding the Fourth Proportional to 16,620.99, 24,872.93 and 10,383.94

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Solution

The fourth proportional to 16,620.99, 24,872.93 and 10,383.94 is: 15,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.99 : 24,872.93 = 10,383.94 : x
  2. Step 2: Convert to fraction form
    16,620.99/24,872.93 = 10,383.94/x
  3. Step 3: Cross multiply
    16,620.99x = 24,872.93 × 10,383.94
  4. Step 4: Simplify right side
    16,620.99x = 258,278,976.52
  5. Step 5: Solve for x
    x = 258,278,976.52/16,620.99
  6. Step 6: Final answer
    x = 15,539.33

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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.