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Finding the Fourth Proportional to 16,917.14, 23,345.69 and 9,363.99

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Solution

The fourth proportional to 16,917.14, 23,345.69 and 9,363.99 is: 12,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.14 : 23,345.69 = 9,363.99 : x
  2. Step 2: Convert to fraction form
    16,917.14/23,345.69 = 9,363.99/x
  3. Step 3: Cross multiply
    16,917.14x = 23,345.69 × 9,363.99
  4. Step 4: Simplify right side
    16,917.14x = 218,608,760.88
  5. Step 5: Solve for x
    x = 218,608,760.88/16,917.14
  6. Step 6: Final answer
    x = 12,922.33

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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.