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Finding the Fourth Proportional to 36,692.64, 54,992.64 and 20,017.92

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Solution

The fourth proportional to 36,692.64, 54,992.64 and 20,017.92 is: 30,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,692.64 : 54,992.64 = 20,017.92 : x
  2. Step 2: Convert to fraction form
    36,692.64/54,992.64 = 20,017.92/x
  3. Step 3: Cross multiply
    36,692.64x = 54,992.64 × 20,017.92
  4. Step 4: Simplify right side
    36,692.64x = 1,100,838,268.11
  5. Step 5: Solve for x
    x = 1,100,838,268.11/36,692.64
  6. Step 6: Final answer
    x = 30,001.61

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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.