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Finding the Fourth Proportional to 8,135.56, 11,223.52 and 4,772.44

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Solution

The fourth proportional to 8,135.56, 11,223.52 and 4,772.44 is: 6,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.56 : 11,223.52 = 4,772.44 : x
  2. Step 2: Convert to fraction form
    8,135.56/11,223.52 = 4,772.44/x
  3. Step 3: Cross multiply
    8,135.56x = 11,223.52 × 4,772.44
  4. Step 4: Simplify right side
    8,135.56x = 53,563,575.79
  5. Step 5: Solve for x
    x = 53,563,575.79/8,135.56
  6. Step 6: Final answer
    x = 6,583.88

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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.