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Finding the Fourth Proportional to 18,389.86, 27,584.84 and 5,063.03

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Solution

The fourth proportional to 18,389.86, 27,584.84 and 5,063.03 is: 7,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.86 : 27,584.84 = 5,063.03 : x
  2. Step 2: Convert to fraction form
    18,389.86/27,584.84 = 5,063.03/x
  3. Step 3: Cross multiply
    18,389.86x = 27,584.84 × 5,063.03
  4. Step 4: Simplify right side
    18,389.86x = 139,662,872.47
  5. Step 5: Solve for x
    x = 139,662,872.47/18,389.86
  6. Step 6: Final answer
    x = 7,594.56

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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.