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Finding the Fourth Proportional to 18,269.67, 27,404.04 and 5,787.99

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Solution

The fourth proportional to 18,269.67, 27,404.04 and 5,787.99 is: 8,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.67 : 27,404.04 = 5,787.99 : x
  2. Step 2: Convert to fraction form
    18,269.67/27,404.04 = 5,787.99/x
  3. Step 3: Cross multiply
    18,269.67x = 27,404.04 × 5,787.99
  4. Step 4: Simplify right side
    18,269.67x = 158,614,309.48
  5. Step 5: Solve for x
    x = 158,614,309.48/18,269.67
  6. Step 6: Final answer
    x = 8,681.84

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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.