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Finding the Fourth Proportional to 8,043.46, 12,064.80 and 2,778.46

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Solution

The fourth proportional to 8,043.46, 12,064.80 and 2,778.46 is: 4,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.46 : 12,064.80 = 2,778.46 : x
  2. Step 2: Convert to fraction form
    8,043.46/12,064.80 = 2,778.46/x
  3. Step 3: Cross multiply
    8,043.46x = 12,064.80 × 2,778.46
  4. Step 4: Simplify right side
    8,043.46x = 33,521,564.21
  5. Step 5: Solve for x
    x = 33,521,564.21/8,043.46
  6. Step 6: Final answer
    x = 4,167.56

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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.