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Finding the Fourth Proportional to 12,562.80, 18,844.20 and 11,026.80

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Solution

The fourth proportional to 12,562.80, 18,844.20 and 11,026.80 is: 16,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.80 : 18,844.20 = 11,026.80 : x
  2. Step 2: Convert to fraction form
    12,562.80/18,844.20 = 11,026.80/x
  3. Step 3: Cross multiply
    12,562.80x = 18,844.20 × 11,026.80
  4. Step 4: Simplify right side
    12,562.80x = 207,791,224.56
  5. Step 5: Solve for x
    x = 207,791,224.56/12,562.80
  6. Step 6: Final answer
    x = 16,540.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.