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Finding the Fourth Proportional to 26,993.88, 37,251.62 and 15,058

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Solution

The fourth proportional to 26,993.88, 37,251.62 and 15,058 is: 20,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.88 : 37,251.62 = 15,058 : x
  2. Step 2: Convert to fraction form
    26,993.88/37,251.62 = 15,058/x
  3. Step 3: Cross multiply
    26,993.88x = 37,251.62 × 15,058
  4. Step 4: Simplify right side
    26,993.88x = 560,934,893.96
  5. Step 5: Solve for x
    x = 560,934,893.96/26,993.88
  6. Step 6: Final answer
    x = 20,780.08

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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.