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Finding the Fourth Proportional to 18,594.68, 27,940.44 and 17,379.87

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Solution

The fourth proportional to 18,594.68, 27,940.44 and 17,379.87 is: 26,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.68 : 27,940.44 = 17,379.87 : x
  2. Step 2: Convert to fraction form
    18,594.68/27,940.44 = 17,379.87/x
  3. Step 3: Cross multiply
    18,594.68x = 27,940.44 × 17,379.87
  4. Step 4: Simplify right side
    18,594.68x = 485,601,214.94
  5. Step 5: Solve for x
    x = 485,601,214.94/18,594.68
  6. Step 6: Final answer
    x = 26,115.07

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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.