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Finding the Fourth Proportional to 8,559.54, 12,841.20 and 2,636.46

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Solution

The fourth proportional to 8,559.54, 12,841.20 and 2,636.46 is: 3,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.54 : 12,841.20 = 2,636.46 : x
  2. Step 2: Convert to fraction form
    8,559.54/12,841.20 = 2,636.46/x
  3. Step 3: Cross multiply
    8,559.54x = 12,841.20 × 2,636.46
  4. Step 4: Simplify right side
    8,559.54x = 33,855,310.15
  5. Step 5: Solve for x
    x = 33,855,310.15/8,559.54
  6. Step 6: Final answer
    x = 3,955.27

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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.