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Finding the Fourth Proportional to 18,141.53, 27,205.81 and 6,452.42

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Solution

The fourth proportional to 18,141.53, 27,205.81 and 6,452.42 is: 9,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.53 : 27,205.81 = 6,452.42 : x
  2. Step 2: Convert to fraction form
    18,141.53/27,205.81 = 6,452.42/x
  3. Step 3: Cross multiply
    18,141.53x = 27,205.81 × 6,452.42
  4. Step 4: Simplify right side
    18,141.53x = 175,543,160.40
  5. Step 5: Solve for x
    x = 175,543,160.40/18,141.53
  6. Step 6: Final answer
    x = 9,676.32

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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.