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Finding the Fourth Proportional to 62,786.99, 94,180.99 and 18,414.46

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Solution

The fourth proportional to 62,786.99, 94,180.99 and 18,414.46 is: 27,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,786.99 : 94,180.99 = 18,414.46 : x
  2. Step 2: Convert to fraction form
    62,786.99/94,180.99 = 18,414.46/x
  3. Step 3: Cross multiply
    62,786.99x = 94,180.99 × 18,414.46
  4. Step 4: Simplify right side
    62,786.99x = 1,734,292,470.11
  5. Step 5: Solve for x
    x = 1,734,292,470.11/62,786.99
  6. Step 6: Final answer
    x = 27,621.85

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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.