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Finding the Fourth Proportional to 61,734.66, 85,193.55 and 33,440.42

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Solution

The fourth proportional to 61,734.66, 85,193.55 and 33,440.42 is: 46,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,734.66 : 85,193.55 = 33,440.42 : x
  2. Step 2: Convert to fraction form
    61,734.66/85,193.55 = 33,440.42/x
  3. Step 3: Cross multiply
    61,734.66x = 85,193.55 × 33,440.42
  4. Step 4: Simplify right side
    61,734.66x = 2,848,907,667.32
  5. Step 5: Solve for x
    x = 2,848,907,667.32/61,734.66
  6. Step 6: Final answer
    x = 46,147.62

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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.