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Finding the Fourth Proportional to 27,391.79, 41,089.14 and 8,673.82

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Solution

The fourth proportional to 27,391.79, 41,089.14 and 8,673.82 is: 13,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.79 : 41,089.14 = 8,673.82 : x
  2. Step 2: Convert to fraction form
    27,391.79/41,089.14 = 8,673.82/x
  3. Step 3: Cross multiply
    27,391.79x = 41,089.14 × 8,673.82
  4. Step 4: Simplify right side
    27,391.79x = 356,399,701.59
  5. Step 5: Solve for x
    x = 356,399,701.59/27,391.79
  6. Step 6: Final answer
    x = 13,011.19

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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.