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Finding the Fourth Proportional to 18,608.83, 27,917.79 and 9,253.24

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Solution

The fourth proportional to 18,608.83, 27,917.79 and 9,253.24 is: 13,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.83 : 27,917.79 = 9,253.24 : x
  2. Step 2: Convert to fraction form
    18,608.83/27,917.79 = 9,253.24/x
  3. Step 3: Cross multiply
    18,608.83x = 27,917.79 × 9,253.24
  4. Step 4: Simplify right side
    18,608.83x = 258,330,011.14
  5. Step 5: Solve for x
    x = 258,330,011.14/18,608.83
  6. Step 6: Final answer
    x = 13,882.12

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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.