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Finding the Fourth Proportional to 24,611.88, 36,918.40 and 8,818

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Solution

The fourth proportional to 24,611.88, 36,918.40 and 8,818 is: 13,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,611.88 : 36,918.40 = 8,818 : x
  2. Step 2: Convert to fraction form
    24,611.88/36,918.40 = 8,818/x
  3. Step 3: Cross multiply
    24,611.88x = 36,918.40 × 8,818
  4. Step 4: Simplify right side
    24,611.88x = 325,546,451.20
  5. Step 5: Solve for x
    x = 325,546,451.20/24,611.88
  6. Step 6: Final answer
    x = 13,227.21

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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.