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Finding the Fourth Proportional to 18,435.53, 27,653.41 and 4,584.53

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Solution

The fourth proportional to 18,435.53, 27,653.41 and 4,584.53 is: 6,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.53 : 27,653.41 = 4,584.53 : x
  2. Step 2: Convert to fraction form
    18,435.53/27,653.41 = 4,584.53/x
  3. Step 3: Cross multiply
    18,435.53x = 27,653.41 × 4,584.53
  4. Step 4: Simplify right side
    18,435.53x = 126,777,864.82
  5. Step 5: Solve for x
    x = 126,777,864.82/18,435.53
  6. Step 6: Final answer
    x = 6,876.82

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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.