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Finding the Fourth Proportional to 54,930.72, 82,383.48 and 32,750.40

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Solution

The fourth proportional to 54,930.72, 82,383.48 and 32,750.40 is: 49,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930.72 : 82,383.48 = 32,750.40 : x
  2. Step 2: Convert to fraction form
    54,930.72/82,383.48 = 32,750.40/x
  3. Step 3: Cross multiply
    54,930.72x = 82,383.48 × 32,750.40
  4. Step 4: Simplify right side
    54,930.72x = 2,698,091,923.39
  5. Step 5: Solve for x
    x = 2,698,091,923.39/54,930.72
  6. Step 6: Final answer
    x = 49,118.09

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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.