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Finding the Fourth Proportional to 8,522.55, 12,753.41 and 5,890.59

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Solution

The fourth proportional to 8,522.55, 12,753.41 and 5,890.59 is: 8,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.55 : 12,753.41 = 5,890.59 : x
  2. Step 2: Convert to fraction form
    8,522.55/12,753.41 = 5,890.59/x
  3. Step 3: Cross multiply
    8,522.55x = 12,753.41 × 5,890.59
  4. Step 4: Simplify right side
    8,522.55x = 75,125,079.96
  5. Step 5: Solve for x
    x = 75,125,079.96/8,522.55
  6. Step 6: Final answer
    x = 8,814.86

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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.