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Finding the Fourth Proportional to 11,490.53, 17,227.76 and 5,869.94

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Solution

The fourth proportional to 11,490.53, 17,227.76 and 5,869.94 is: 8,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.53 : 17,227.76 = 5,869.94 : x
  2. Step 2: Convert to fraction form
    11,490.53/17,227.76 = 5,869.94/x
  3. Step 3: Cross multiply
    11,490.53x = 17,227.76 × 5,869.94
  4. Step 4: Simplify right side
    11,490.53x = 101,125,924.39
  5. Step 5: Solve for x
    x = 101,125,924.39/11,490.53
  6. Step 6: Final answer
    x = 8,800.80

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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.