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Finding the Fourth Proportional to 61,773.28, 85,247.11 and 33,478.97

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Solution

The fourth proportional to 61,773.28, 85,247.11 and 33,478.97 is: 46,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,773.28 : 85,247.11 = 33,478.97 : x
  2. Step 2: Convert to fraction form
    61,773.28/85,247.11 = 33,478.97/x
  3. Step 3: Cross multiply
    61,773.28x = 85,247.11 × 33,478.97
  4. Step 4: Simplify right side
    61,773.28x = 2,853,985,438.28
  5. Step 5: Solve for x
    x = 2,853,985,438.28/61,773.28
  6. Step 6: Final answer
    x = 46,200.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.