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Finding the Fourth Proportional to 61,650.89, 85,078.22 and 33,356.57

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Solution

The fourth proportional to 61,650.89, 85,078.22 and 33,356.57 is: 46,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,650.89 : 85,078.22 = 33,356.57 : x
  2. Step 2: Convert to fraction form
    61,650.89/85,078.22 = 33,356.57/x
  3. Step 3: Cross multiply
    61,650.89x = 85,078.22 × 33,356.57
  4. Step 4: Simplify right side
    61,650.89x = 2,837,917,730.21
  5. Step 5: Solve for x
    x = 2,837,917,730.21/61,650.89
  6. Step 6: Final answer
    x = 46,032.07

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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.