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Finding the Fourth Proportional to 27,342.87, 41,015.19 and 8,623.08

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Solution

The fourth proportional to 27,342.87, 41,015.19 and 8,623.08 is: 12,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.87 : 41,015.19 = 8,623.08 : x
  2. Step 2: Convert to fraction form
    27,342.87/41,015.19 = 8,623.08/x
  3. Step 3: Cross multiply
    27,342.87x = 41,015.19 × 8,623.08
  4. Step 4: Simplify right side
    27,342.87x = 353,677,339.52
  5. Step 5: Solve for x
    x = 353,677,339.52/27,342.87
  6. Step 6: Final answer
    x = 12,934.90

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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.