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Finding the Fourth Proportional to 62,485.97, 86,230.27 and 33,805.55

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Solution

The fourth proportional to 62,485.97, 86,230.27 and 33,805.55 is: 46,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,485.97 : 86,230.27 = 33,805.55 : x
  2. Step 2: Convert to fraction form
    62,485.97/86,230.27 = 33,805.55/x
  3. Step 3: Cross multiply
    62,485.97x = 86,230.27 × 33,805.55
  4. Step 4: Simplify right side
    62,485.97x = 2,915,061,961.83
  5. Step 5: Solve for x
    x = 2,915,061,961.83/62,485.97
  6. Step 6: Final answer
    x = 46,651.47

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1.5x scale

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.