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Finding the Fourth Proportional to 17,906.54, 26,858.39 and 7,373.70

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Solution

The fourth proportional to 17,906.54, 26,858.39 and 7,373.70 is: 11,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.54 : 26,858.39 = 7,373.70 : x
  2. Step 2: Convert to fraction form
    17,906.54/26,858.39 = 7,373.70/x
  3. Step 3: Cross multiply
    17,906.54x = 26,858.39 × 7,373.70
  4. Step 4: Simplify right side
    17,906.54x = 198,045,673.47
  5. Step 5: Solve for x
    x = 198,045,673.47/17,906.54
  6. Step 6: Final answer
    x = 11,059.97

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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.