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Finding the Fourth Proportional to 8,508.05, 12,764.67 and 4,350.98

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Solution

The fourth proportional to 8,508.05, 12,764.67 and 4,350.98 is: 6,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.05 : 12,764.67 = 4,350.98 : x
  2. Step 2: Convert to fraction form
    8,508.05/12,764.67 = 4,350.98/x
  3. Step 3: Cross multiply
    8,508.05x = 12,764.67 × 4,350.98
  4. Step 4: Simplify right side
    8,508.05x = 55,538,823.88
  5. Step 5: Solve for x
    x = 55,538,823.88/8,508.05
  6. Step 6: Final answer
    x = 6,527.80

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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.