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Finding the Fourth Proportional to 18,305.19, 27,593.11 and 17,234.93

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Solution

The fourth proportional to 18,305.19, 27,593.11 and 17,234.93 is: 25,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.19 : 27,593.11 = 17,234.93 : x
  2. Step 2: Convert to fraction form
    18,305.19/27,593.11 = 17,234.93/x
  3. Step 3: Cross multiply
    18,305.19x = 27,593.11 × 17,234.93
  4. Step 4: Simplify right side
    18,305.19x = 475,565,157.70
  5. Step 5: Solve for x
    x = 475,565,157.70/18,305.19
  6. Step 6: Final answer
    x = 25,979.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.