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Finding the Fourth Proportional to 18,524.61, 27,786.63 and 4,484.52

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Solution

The fourth proportional to 18,524.61, 27,786.63 and 4,484.52 is: 6,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.61 : 27,786.63 = 4,484.52 : x
  2. Step 2: Convert to fraction form
    18,524.61/27,786.63 = 4,484.52/x
  3. Step 3: Cross multiply
    18,524.61x = 27,786.63 × 4,484.52
  4. Step 4: Simplify right side
    18,524.61x = 124,609,697.97
  5. Step 5: Solve for x
    x = 124,609,697.97/18,524.61
  6. Step 6: Final answer
    x = 6,726.71

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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.