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Finding the Fourth Proportional to 17,973.82, 26,961 and 6,287.41

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Solution

The fourth proportional to 17,973.82, 26,961 and 6,287.41 is: 9,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,973.82 : 26,961 = 6,287.41 : x
  2. Step 2: Convert to fraction form
    17,973.82/26,961 = 6,287.41/x
  3. Step 3: Cross multiply
    17,973.82x = 26,961 × 6,287.41
  4. Step 4: Simplify right side
    17,973.82x = 169,514,861.01
  5. Step 5: Solve for x
    x = 169,514,861.01/17,973.82
  6. Step 6: Final answer
    x = 9,431.21

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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.