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Finding the Fourth Proportional to 8,079.50, 11,145.97 and 4,722.46

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Solution

The fourth proportional to 8,079.50, 11,145.97 and 4,722.46 is: 6,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.50 : 11,145.97 = 4,722.46 : x
  2. Step 2: Convert to fraction form
    8,079.50/11,145.97 = 4,722.46/x
  3. Step 3: Cross multiply
    8,079.50x = 11,145.97 × 4,722.46
  4. Step 4: Simplify right side
    8,079.50x = 52,636,375.52
  5. Step 5: Solve for x
    x = 52,636,375.52/8,079.50
  6. Step 6: Final answer
    x = 6,514.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.