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Finding the Fourth Proportional to 18,462.11, 27,692.45 and 6,150.11

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Solution

The fourth proportional to 18,462.11, 27,692.45 and 6,150.11 is: 9,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.11 : 27,692.45 = 6,150.11 : x
  2. Step 2: Convert to fraction form
    18,462.11/27,692.45 = 6,150.11/x
  3. Step 3: Cross multiply
    18,462.11x = 27,692.45 × 6,150.11
  4. Step 4: Simplify right side
    18,462.11x = 170,311,582.92
  5. Step 5: Solve for x
    x = 170,311,582.92/18,462.11
  6. Step 6: Final answer
    x = 9,224.93

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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.