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Finding the Fourth Proportional to 8,544.90, 12,819.15 and 3,350.76

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Solution

The fourth proportional to 8,544.90, 12,819.15 and 3,350.76 is: 5,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.90 : 12,819.15 = 3,350.76 : x
  2. Step 2: Convert to fraction form
    8,544.90/12,819.15 = 3,350.76/x
  3. Step 3: Cross multiply
    8,544.90x = 12,819.15 × 3,350.76
  4. Step 4: Simplify right side
    8,544.90x = 42,953,895.05
  5. Step 5: Solve for x
    x = 42,953,895.05/8,544.90
  6. Step 6: Final answer
    x = 5,026.85

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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.