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Finding the Fourth Proportional to 18,553.83, 25,608.06 and 17,059.38

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Solution

The fourth proportional to 18,553.83, 25,608.06 and 17,059.38 is: 23,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.83 : 25,608.06 = 17,059.38 : x
  2. Step 2: Convert to fraction form
    18,553.83/25,608.06 = 17,059.38/x
  3. Step 3: Cross multiply
    18,553.83x = 25,608.06 × 17,059.38
  4. Step 4: Simplify right side
    18,553.83x = 436,857,626.60
  5. Step 5: Solve for x
    x = 436,857,626.60/18,553.83
  6. Step 6: Final answer
    x = 23,545.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.