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Finding the Fourth Proportional to 18,596.69, 27,895.03 and 4,745.69

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Solution

The fourth proportional to 18,596.69, 27,895.03 and 4,745.69 is: 7,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.69 : 27,895.03 = 4,745.69 : x
  2. Step 2: Convert to fraction form
    18,596.69/27,895.03 = 4,745.69/x
  3. Step 3: Cross multiply
    18,596.69x = 27,895.03 × 4,745.69
  4. Step 4: Simplify right side
    18,596.69x = 132,381,164.92
  5. Step 5: Solve for x
    x = 132,381,164.92/18,596.69
  6. Step 6: Final answer
    x = 7,118.53

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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.