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Finding the Fourth Proportional to 59,231.55, 81,739.52 and 33,740.28

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Solution

The fourth proportional to 59,231.55, 81,739.52 and 33,740.28 is: 46,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,231.55 : 81,739.52 = 33,740.28 : x
  2. Step 2: Convert to fraction form
    59,231.55/81,739.52 = 33,740.28/x
  3. Step 3: Cross multiply
    59,231.55x = 81,739.52 × 33,740.28
  4. Step 4: Simplify right side
    59,231.55x = 2,757,914,376.22
  5. Step 5: Solve for x
    x = 2,757,914,376.22/59,231.55
  6. Step 6: Final answer
    x = 46,561.57

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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.