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Finding the Fourth Proportional to 26,881.60, 40,273.80 and 16,481.20

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Solution

The fourth proportional to 26,881.60, 40,273.80 and 16,481.20 is: 24,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.60 : 40,273.80 = 16,481.20 : x
  2. Step 2: Convert to fraction form
    26,881.60/40,273.80 = 16,481.20/x
  3. Step 3: Cross multiply
    26,881.60x = 40,273.80 × 16,481.20
  4. Step 4: Simplify right side
    26,881.60x = 663,760,552.56
  5. Step 5: Solve for x
    x = 663,760,552.56/26,881.60
  6. Step 6: Final answer
    x = 24,692.00

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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.