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Finding the Fourth Proportional to 54,779.71, 82,181.87 and 17,342.03

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Solution

The fourth proportional to 54,779.71, 82,181.87 and 17,342.03 is: 26,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,779.71 : 82,181.87 = 17,342.03 : x
  2. Step 2: Convert to fraction form
    54,779.71/82,181.87 = 17,342.03/x
  3. Step 3: Cross multiply
    54,779.71x = 82,181.87 × 17,342.03
  4. Step 4: Simplify right side
    54,779.71x = 1,425,200,455.00
  5. Step 5: Solve for x
    x = 1,425,200,455.00/54,779.71
  6. Step 6: Final answer
    x = 26,016.94

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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.