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Finding the Fourth Proportional to 61,228.67, 91,825.60 and 23,780.75

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Solution

The fourth proportional to 61,228.67, 91,825.60 and 23,780.75 is: 35,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,228.67 : 91,825.60 = 23,780.75 : x
  2. Step 2: Convert to fraction form
    61,228.67/91,825.60 = 23,780.75/x
  3. Step 3: Cross multiply
    61,228.67x = 91,825.60 × 23,780.75
  4. Step 4: Simplify right side
    61,228.67x = 2,183,681,637.20
  5. Step 5: Solve for x
    x = 2,183,681,637.20/61,228.67
  6. Step 6: Final answer
    x = 35,664.37

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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.