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Finding the Fourth Proportional to 26,992.72, 40,489.32 and 9,462.52

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Solution

The fourth proportional to 26,992.72, 40,489.32 and 9,462.52 is: 14,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,992.72 : 40,489.32 = 9,462.52 : x
  2. Step 2: Convert to fraction form
    26,992.72/40,489.32 = 9,462.52/x
  3. Step 3: Cross multiply
    26,992.72x = 40,489.32 × 9,462.52
  4. Step 4: Simplify right side
    26,992.72x = 383,131,000.29
  5. Step 5: Solve for x
    x = 383,131,000.29/26,992.72
  6. Step 6: Final answer
    x = 14,193.86

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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.