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Finding the Fourth Proportional to 26,793, 40,181.76 and 9,021.72

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Solution

The fourth proportional to 26,793, 40,181.76 and 9,021.72 is: 13,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,793 : 40,181.76 = 9,021.72 : x
  2. Step 2: Convert to fraction form
    26,793/40,181.76 = 9,021.72/x
  3. Step 3: Cross multiply
    26,793x = 40,181.76 × 9,021.72
  4. Step 4: Simplify right side
    26,793x = 362,508,587.83
  5. Step 5: Solve for x
    x = 362,508,587.83/26,793
  6. Step 6: Final answer
    x = 13,529.97

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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.