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Finding the Fourth Proportional to 8,553.44, 12,837.48 and 3,362.96

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Solution

The fourth proportional to 8,553.44, 12,837.48 and 3,362.96 is: 5,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.44 : 12,837.48 = 3,362.96 : x
  2. Step 2: Convert to fraction form
    8,553.44/12,837.48 = 3,362.96/x
  3. Step 3: Cross multiply
    8,553.44x = 12,837.48 × 3,362.96
  4. Step 4: Simplify right side
    8,553.44x = 43,171,931.74
  5. Step 5: Solve for x
    x = 43,171,931.74/8,553.44
  6. Step 6: Final answer
    x = 5,047.32

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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.