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Finding the Fourth Proportional to 17,301.38, 25,953.89 and 7,939.80

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Solution

The fourth proportional to 17,301.38, 25,953.89 and 7,939.80 is: 11,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,301.38 : 25,953.89 = 7,939.80 : x
  2. Step 2: Convert to fraction form
    17,301.38/25,953.89 = 7,939.80/x
  3. Step 3: Cross multiply
    17,301.38x = 25,953.89 × 7,939.80
  4. Step 4: Simplify right side
    17,301.38x = 206,068,656.12
  5. Step 5: Solve for x
    x = 206,068,656.12/17,301.38
  6. Step 6: Final answer
    x = 11,910.54

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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.