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Finding the Fourth Proportional to 41,980.78, 62,973.96 and 17,020.54

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Solution

The fourth proportional to 41,980.78, 62,973.96 and 17,020.54 is: 25,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,980.78 : 62,973.96 = 17,020.54 : x
  2. Step 2: Convert to fraction form
    41,980.78/62,973.96 = 17,020.54/x
  3. Step 3: Cross multiply
    41,980.78x = 62,973.96 × 17,020.54
  4. Step 4: Simplify right side
    41,980.78x = 1,071,850,805.14
  5. Step 5: Solve for x
    x = 1,071,850,805.14/41,980.78
  6. Step 6: Final answer
    x = 25,531.94

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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.