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Finding the Fourth Proportional to 55,935.45, 84,014.28 and 33,489.54

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Solution

The fourth proportional to 55,935.45, 84,014.28 and 33,489.54 is: 50,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,935.45 : 84,014.28 = 33,489.54 : x
  2. Step 2: Convert to fraction form
    55,935.45/84,014.28 = 33,489.54/x
  3. Step 3: Cross multiply
    55,935.45x = 84,014.28 × 33,489.54
  4. Step 4: Simplify right side
    55,935.45x = 2,813,599,590.63
  5. Step 5: Solve for x
    x = 2,813,599,590.63/55,935.45
  6. Step 6: Final answer
    x = 50,300.83

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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.