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Finding the Fourth Proportional to 41,185.40, 61,806.90 and 17,828.60

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Solution

The fourth proportional to 41,185.40, 61,806.90 and 17,828.60 is: 26,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,185.40 : 61,806.90 = 17,828.60 : x
  2. Step 2: Convert to fraction form
    41,185.40/61,806.90 = 17,828.60/x
  3. Step 3: Cross multiply
    41,185.40x = 61,806.90 × 17,828.60
  4. Step 4: Simplify right side
    41,185.40x = 1,101,930,497.34
  5. Step 5: Solve for x
    x = 1,101,930,497.34/41,185.40
  6. Step 6: Final answer
    x = 26,755.37

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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.