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Finding the Fourth Proportional to 61,921.33, 92,803.83 and 33,782.74

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Solution

The fourth proportional to 61,921.33, 92,803.83 and 33,782.74 is: 50,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.33 : 92,803.83 = 33,782.74 : x
  2. Step 2: Convert to fraction form
    61,921.33/92,803.83 = 33,782.74/x
  3. Step 3: Cross multiply
    61,921.33x = 92,803.83 × 33,782.74
  4. Step 4: Simplify right side
    61,921.33x = 3,135,167,659.89
  5. Step 5: Solve for x
    x = 3,135,167,659.89/61,921.33
  6. Step 6: Final answer
    x = 50,631.47

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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.