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Finding the Fourth Proportional to 41,245.92, 61,871.72 and 13,168.08

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Solution

The fourth proportional to 41,245.92, 61,871.72 and 13,168.08 is: 19,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,245.92 : 61,871.72 = 13,168.08 : x
  2. Step 2: Convert to fraction form
    41,245.92/61,871.72 = 13,168.08/x
  3. Step 3: Cross multiply
    41,245.92x = 61,871.72 × 13,168.08
  4. Step 4: Simplify right side
    41,245.92x = 814,731,692.86
  5. Step 5: Solve for x
    x = 814,731,692.86/41,245.92
  6. Step 6: Final answer
    x = 19,753.03

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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.