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Finding the Fourth Proportional to 61,650.92, 85,078.26 and 33,356.60

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Solution

The fourth proportional to 61,650.92, 85,078.26 and 33,356.60 is: 46,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,650.92 : 85,078.26 = 33,356.60 : x
  2. Step 2: Convert to fraction form
    61,650.92/85,078.26 = 33,356.60/x
  3. Step 3: Cross multiply
    61,650.92x = 85,078.26 × 33,356.60
  4. Step 4: Simplify right side
    61,650.92x = 2,837,921,859.73
  5. Step 5: Solve for x
    x = 2,837,921,859.73/61,650.92
  6. Step 6: Final answer
    x = 46,032.11

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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.