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Finding the Fourth Proportional to 61,866.05, 85,375.38 and 33,571.74

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Solution

The fourth proportional to 61,866.05, 85,375.38 and 33,571.74 is: 46,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,866.05 : 85,375.38 = 33,571.74 : x
  2. Step 2: Convert to fraction form
    61,866.05/85,375.38 = 33,571.74/x
  3. Step 3: Cross multiply
    61,866.05x = 85,375.38 × 33,571.74
  4. Step 4: Simplify right side
    61,866.05x = 2,866,200,059.76
  5. Step 5: Solve for x
    x = 2,866,200,059.76/61,866.05
  6. Step 6: Final answer
    x = 46,329.13

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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.