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Finding the Fourth Proportional to 61,768.94, 85,241.21 and 33,474.62

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Solution

The fourth proportional to 61,768.94, 85,241.21 and 33,474.62 is: 46,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,768.94 : 85,241.21 = 33,474.62 : x
  2. Step 2: Convert to fraction form
    61,768.94/85,241.21 = 33,474.62/x
  3. Step 3: Cross multiply
    61,768.94x = 85,241.21 × 33,474.62
  4. Step 4: Simplify right side
    61,768.94x = 2,853,417,158.82
  5. Step 5: Solve for x
    x = 2,853,417,158.82/61,768.94
  6. Step 6: Final answer
    x = 46,195.02

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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.