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Finding the Fourth Proportional to 17,789.22, 26,667 and 7,923.06

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Solution

The fourth proportional to 17,789.22, 26,667 and 7,923.06 is: 11,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.22 : 26,667 = 7,923.06 : x
  2. Step 2: Convert to fraction form
    17,789.22/26,667 = 7,923.06/x
  3. Step 3: Cross multiply
    17,789.22x = 26,667 × 7,923.06
  4. Step 4: Simplify right side
    17,789.22x = 211,284,241.02
  5. Step 5: Solve for x
    x = 211,284,241.02/17,789.22
  6. Step 6: Final answer
    x = 11,877.09

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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.