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Finding the Fourth Proportional to 61,018.75, 91,493.85 and 41,806.19

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Solution

The fourth proportional to 61,018.75, 91,493.85 and 41,806.19 is: 62,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,018.75 : 91,493.85 = 41,806.19 : x
  2. Step 2: Convert to fraction form
    61,018.75/91,493.85 = 41,806.19/x
  3. Step 3: Cross multiply
    61,018.75x = 91,493.85 × 41,806.19
  4. Step 4: Simplify right side
    61,018.75x = 3,825,009,662.44
  5. Step 5: Solve for x
    x = 3,825,009,662.44/61,018.75
  6. Step 6: Final answer
    x = 62,685.81

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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.