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Finding the Fourth Proportional to 61,891.73, 85,412.63 and 35,033.67

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Solution

The fourth proportional to 61,891.73, 85,412.63 and 35,033.67 is: 48,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,891.73 : 85,412.63 = 35,033.67 : x
  2. Step 2: Convert to fraction form
    61,891.73/85,412.63 = 35,033.67/x
  3. Step 3: Cross multiply
    61,891.73x = 85,412.63 × 35,033.67
  4. Step 4: Simplify right side
    61,891.73x = 2,992,317,893.25
  5. Step 5: Solve for x
    x = 2,992,317,893.25/61,891.73
  6. Step 6: Final answer
    x = 48,347.62

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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.