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Finding the Fourth Proportional to 16,917.81, 23,348.03 and 9,843.81

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Solution

The fourth proportional to 16,917.81, 23,348.03 and 9,843.81 is: 13,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.81 : 23,348.03 = 9,843.81 : x
  2. Step 2: Convert to fraction form
    16,917.81/23,348.03 = 9,843.81/x
  3. Step 3: Cross multiply
    16,917.81x = 23,348.03 × 9,843.81
  4. Step 4: Simplify right side
    16,917.81x = 229,833,521.98
  5. Step 5: Solve for x
    x = 229,833,521.98/16,917.81
  6. Step 6: Final answer
    x = 13,585.30

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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.