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Finding the Fourth Proportional to 18,451.61, 27,682.04 and 5,304

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Solution

The fourth proportional to 18,451.61, 27,682.04 and 5,304 is: 7,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.61 : 27,682.04 = 5,304 : x
  2. Step 2: Convert to fraction form
    18,451.61/27,682.04 = 5,304/x
  3. Step 3: Cross multiply
    18,451.61x = 27,682.04 × 5,304
  4. Step 4: Simplify right side
    18,451.61x = 146,825,553.42
  5. Step 5: Solve for x
    x = 146,825,553.42/18,451.61
  6. Step 6: Final answer
    x = 7,957.33

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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.