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Finding the Fourth Proportional to 29,692.18, 44,538.18 and 12,162.01

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Solution

The fourth proportional to 29,692.18, 44,538.18 and 12,162.01 is: 18,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,692.18 : 44,538.18 = 12,162.01 : x
  2. Step 2: Convert to fraction form
    29,692.18/44,538.18 = 12,162.01/x
  3. Step 3: Cross multiply
    29,692.18x = 44,538.18 × 12,162.01
  4. Step 4: Simplify right side
    29,692.18x = 541,673,790.54
  5. Step 5: Solve for x
    x = 541,673,790.54/29,692.18
  6. Step 6: Final answer
    x = 18,242.98

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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.