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Finding the Fourth Proportional to 16,917.73, 23,345.02 and 9,364.08

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Solution

The fourth proportional to 16,917.73, 23,345.02 and 9,364.08 is: 12,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.73 : 23,345.02 = 9,364.08 : x
  2. Step 2: Convert to fraction form
    16,917.73/23,345.02 = 9,364.08/x
  3. Step 3: Cross multiply
    16,917.73x = 23,345.02 × 9,364.08
  4. Step 4: Simplify right side
    16,917.73x = 218,604,634.88
  5. Step 5: Solve for x
    x = 218,604,634.88/16,917.73
  6. Step 6: Final answer
    x = 12,921.63

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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.