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Finding the Fourth Proportional to 61,965.63, 85,512.39 and 33,671.31

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Solution

The fourth proportional to 61,965.63, 85,512.39 and 33,671.31 is: 46,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,965.63 : 85,512.39 = 33,671.31 : x
  2. Step 2: Convert to fraction form
    61,965.63/85,512.39 = 33,671.31/x
  3. Step 3: Cross multiply
    61,965.63x = 85,512.39 × 33,671.31
  4. Step 4: Simplify right side
    61,965.63x = 2,879,314,192.53
  5. Step 5: Solve for x
    x = 2,879,314,192.53/61,965.63
  6. Step 6: Final answer
    x = 46,466.31

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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.