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Finding the Fourth Proportional to 38,608.25, 53,286.93 and 22,692.76

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Solution

The fourth proportional to 38,608.25, 53,286.93 and 22,692.76 is: 31,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.25 : 53,286.93 = 22,692.76 : x
  2. Step 2: Convert to fraction form
    38,608.25/53,286.93 = 22,692.76/x
  3. Step 3: Cross multiply
    38,608.25x = 53,286.93 × 22,692.76
  4. Step 4: Simplify right side
    38,608.25x = 1,209,227,380.41
  5. Step 5: Solve for x
    x = 1,209,227,380.41/38,608.25
  6. Step 6: Final answer
    x = 31,320.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.