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Finding the Fourth Proportional to 54,659.79, 82,040.94 and 28,025.62

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Solution

The fourth proportional to 54,659.79, 82,040.94 and 28,025.62 is: 42,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,659.79 : 82,040.94 = 28,025.62 : x
  2. Step 2: Convert to fraction form
    54,659.79/82,040.94 = 28,025.62/x
  3. Step 3: Cross multiply
    54,659.79x = 82,040.94 × 28,025.62
  4. Step 4: Simplify right side
    54,659.79x = 2,299,248,003.78
  5. Step 5: Solve for x
    x = 2,299,248,003.78/54,659.79
  6. Step 6: Final answer
    x = 42,064.71

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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.