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Finding the Fourth Proportional to 61,633.89, 85,054.68 and 33,339.60

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Solution

The fourth proportional to 61,633.89, 85,054.68 and 33,339.60 is: 46,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,633.89 : 85,054.68 = 33,339.60 : x
  2. Step 2: Convert to fraction form
    61,633.89/85,054.68 = 33,339.60/x
  3. Step 3: Cross multiply
    61,633.89x = 85,054.68 × 33,339.60
  4. Step 4: Simplify right side
    61,633.89x = 2,835,689,009.33
  5. Step 5: Solve for x
    x = 2,835,689,009.33/61,633.89
  6. Step 6: Final answer
    x = 46,008.60

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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.