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Finding the Fourth Proportional to 61,230.67, 91,828.60 and 23,782.75

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Solution

The fourth proportional to 61,230.67, 91,828.60 and 23,782.75 is: 35,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,230.67 : 91,828.60 = 23,782.75 : x
  2. Step 2: Convert to fraction form
    61,230.67/91,828.60 = 23,782.75/x
  3. Step 3: Cross multiply
    61,230.67x = 91,828.60 × 23,782.75
  4. Step 4: Simplify right side
    61,230.67x = 2,183,936,636.65
  5. Step 5: Solve for x
    x = 2,183,936,636.65/61,230.67
  6. Step 6: Final answer
    x = 35,667.36

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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.