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Finding the Fourth Proportional to 27,197.31, 40,786.73 and 9,423.82

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Solution

The fourth proportional to 27,197.31, 40,786.73 and 9,423.82 is: 14,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,197.31 : 40,786.73 = 9,423.82 : x
  2. Step 2: Convert to fraction form
    27,197.31/40,786.73 = 9,423.82/x
  3. Step 3: Cross multiply
    27,197.31x = 40,786.73 × 9,423.82
  4. Step 4: Simplify right side
    27,197.31x = 384,366,754.79
  5. Step 5: Solve for x
    x = 384,366,754.79/27,197.31
  6. Step 6: Final answer
    x = 14,132.53

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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.