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Finding the Fourth Proportional to 8,996.69, 13,490.31 and 4,837.61

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Solution

The fourth proportional to 8,996.69, 13,490.31 and 4,837.61 is: 7,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.69 : 13,490.31 = 4,837.61 : x
  2. Step 2: Convert to fraction form
    8,996.69/13,490.31 = 4,837.61/x
  3. Step 3: Cross multiply
    8,996.69x = 13,490.31 × 4,837.61
  4. Step 4: Simplify right side
    8,996.69x = 65,260,858.56
  5. Step 5: Solve for x
    x = 65,260,858.56/8,996.69
  6. Step 6: Final answer
    x = 7,253.87

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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.