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Finding the Fourth Proportional to 61,968.92, 85,517.64 and 33,674.63

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Solution

The fourth proportional to 61,968.92, 85,517.64 and 33,674.63 is: 46,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,968.92 : 85,517.64 = 33,674.63 : x
  2. Step 2: Convert to fraction form
    61,968.92/85,517.64 = 33,674.63/x
  3. Step 3: Cross multiply
    61,968.92x = 85,517.64 × 33,674.63
  4. Step 4: Simplify right side
    61,968.92x = 2,879,774,457.89
  5. Step 5: Solve for x
    x = 2,879,774,457.89/61,968.92
  6. Step 6: Final answer
    x = 46,471.27

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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.