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Finding the Fourth Proportional to 8,195.58, 12,290.58 and 3,263.88

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Solution

The fourth proportional to 8,195.58, 12,290.58 and 3,263.88 is: 4,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.58 : 12,290.58 = 3,263.88 : x
  2. Step 2: Convert to fraction form
    8,195.58/12,290.58 = 3,263.88/x
  3. Step 3: Cross multiply
    8,195.58x = 12,290.58 × 3,263.88
  4. Step 4: Simplify right side
    8,195.58x = 40,114,978.25
  5. Step 5: Solve for x
    x = 40,114,978.25/8,195.58
  6. Step 6: Final answer
    x = 4,894.71

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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.