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Finding the Fourth Proportional to 26,955, 37,198.26 and 15,625.31

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Solution

The fourth proportional to 26,955, 37,198.26 and 15,625.31 is: 21,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955 : 37,198.26 = 15,625.31 : x
  2. Step 2: Convert to fraction form
    26,955/37,198.26 = 15,625.31/x
  3. Step 3: Cross multiply
    26,955x = 37,198.26 × 15,625.31
  4. Step 4: Simplify right side
    26,955x = 581,234,157.97
  5. Step 5: Solve for x
    x = 581,234,157.97/26,955
  6. Step 6: Final answer
    x = 21,563.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.