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Finding the Fourth Proportional to 61,718.73, 85,171.67 and 33,424.41

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Solution

The fourth proportional to 61,718.73, 85,171.67 and 33,424.41 is: 46,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,718.73 : 85,171.67 = 33,424.41 : x
  2. Step 2: Convert to fraction form
    61,718.73/85,171.67 = 33,424.41/x
  3. Step 3: Cross multiply
    61,718.73x = 85,171.67 × 33,424.41
  4. Step 4: Simplify right side
    61,718.73x = 2,846,812,651.34
  5. Step 5: Solve for x
    x = 2,846,812,651.34/61,718.73
  6. Step 6: Final answer
    x = 46,125.59

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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.