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Finding the Fourth Proportional to 27,340.43, 41,012.33 and 8,621.10

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Solution

The fourth proportional to 27,340.43, 41,012.33 and 8,621.10 is: 12,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,340.43 : 41,012.33 = 8,621.10 : x
  2. Step 2: Convert to fraction form
    27,340.43/41,012.33 = 8,621.10/x
  3. Step 3: Cross multiply
    27,340.43x = 41,012.33 × 8,621.10
  4. Step 4: Simplify right side
    27,340.43x = 353,571,355.06
  5. Step 5: Solve for x
    x = 353,571,355.06/27,340.43
  6. Step 6: Final answer
    x = 12,932.18

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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.