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Finding the Fourth Proportional to 27,305.89, 40,958.43 and 8,837.89

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Solution

The fourth proportional to 27,305.89, 40,958.43 and 8,837.89 is: 13,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.89 : 40,958.43 = 8,837.89 : x
  2. Step 2: Convert to fraction form
    27,305.89/40,958.43 = 8,837.89/x
  3. Step 3: Cross multiply
    27,305.89x = 40,958.43 × 8,837.89
  4. Step 4: Simplify right side
    27,305.89x = 361,986,098.91
  5. Step 5: Solve for x
    x = 361,986,098.91/27,305.89
  6. Step 6: Final answer
    x = 13,256.70

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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.