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Finding the Fourth Proportional to 36,694.68, 55,028.04 and 15,621.42

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Solution

The fourth proportional to 36,694.68, 55,028.04 and 15,621.42 is: 23,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,694.68 : 55,028.04 = 15,621.42 : x
  2. Step 2: Convert to fraction form
    36,694.68/55,028.04 = 15,621.42/x
  3. Step 3: Cross multiply
    36,694.68x = 55,028.04 × 15,621.42
  4. Step 4: Simplify right side
    36,694.68x = 859,616,124.62
  5. Step 5: Solve for x
    x = 859,616,124.62/36,694.68
  6. Step 6: Final answer
    x = 23,426.18

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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.