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Finding the Fourth Proportional to 54,788.58, 82,171.92 and 17,342.28

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Solution

The fourth proportional to 54,788.58, 82,171.92 and 17,342.28 is: 26,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.58 : 82,171.92 = 17,342.28 : x
  2. Step 2: Convert to fraction form
    54,788.58/82,171.92 = 17,342.28/x
  3. Step 3: Cross multiply
    54,788.58x = 82,171.92 × 17,342.28
  4. Step 4: Simplify right side
    54,788.58x = 1,425,048,444.78
  5. Step 5: Solve for x
    x = 1,425,048,444.78/54,788.58
  6. Step 6: Final answer
    x = 26,009.95

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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.