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Finding the Fourth Proportional to 61,634.67, 85,055.85 and 33,340.37

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Solution

The fourth proportional to 61,634.67, 85,055.85 and 33,340.37 is: 46,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,634.67 : 85,055.85 = 33,340.37 : x
  2. Step 2: Convert to fraction form
    61,634.67/85,055.85 = 33,340.37/x
  3. Step 3: Cross multiply
    61,634.67x = 85,055.85 × 33,340.37
  4. Step 4: Simplify right side
    61,634.67x = 2,835,793,084.39
  5. Step 5: Solve for x
    x = 2,835,793,084.39/61,634.67
  6. Step 6: Final answer
    x = 46,009.71

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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.