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Finding the Fourth Proportional to 54,951.66, 82,370.03 and 25,388.89

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Solution

The fourth proportional to 54,951.66, 82,370.03 and 25,388.89 is: 38,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,951.66 : 82,370.03 = 25,388.89 : x
  2. Step 2: Convert to fraction form
    54,951.66/82,370.03 = 25,388.89/x
  3. Step 3: Cross multiply
    54,951.66x = 82,370.03 × 25,388.89
  4. Step 4: Simplify right side
    54,951.66x = 2,091,283,298.10
  5. Step 5: Solve for x
    x = 2,091,283,298.10/54,951.66
  6. Step 6: Final answer
    x = 38,056.78

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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.