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Finding the Fourth Proportional to 54,671.96, 81,979.59 and 25,064.30

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Solution

The fourth proportional to 54,671.96, 81,979.59 and 25,064.30 is: 37,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,671.96 : 81,979.59 = 25,064.30 : x
  2. Step 2: Convert to fraction form
    54,671.96/81,979.59 = 25,064.30/x
  3. Step 3: Cross multiply
    54,671.96x = 81,979.59 × 25,064.30
  4. Step 4: Simplify right side
    54,671.96x = 2,054,761,336.58
  5. Step 5: Solve for x
    x = 2,054,761,336.58/54,671.96
  6. Step 6: Final answer
    x = 37,583.46

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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.