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Finding the Fourth Proportional to 55,620.59, 83,405.97 and 33,141.88

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Solution

The fourth proportional to 55,620.59, 83,405.97 and 33,141.88 is: 49,697.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620.59 : 83,405.97 = 33,141.88 : x
  2. Step 2: Convert to fraction form
    55,620.59/83,405.97 = 33,141.88/x
  3. Step 3: Cross multiply
    55,620.59x = 83,405.97 × 33,141.88
  4. Step 4: Simplify right side
    55,620.59x = 2,764,230,529.97
  5. Step 5: Solve for x
    x = 2,764,230,529.97/55,620.59
  6. Step 6: Final answer
    x = 49,697.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.