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Finding the Fourth Proportional to 8,136, 11,229.36 and 4,599.36

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Solution

The fourth proportional to 8,136, 11,229.36 and 4,599.36 is: 6,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136 : 11,229.36 = 4,599.36 : x
  2. Step 2: Convert to fraction form
    8,136/11,229.36 = 4,599.36/x
  3. Step 3: Cross multiply
    8,136x = 11,229.36 × 4,599.36
  4. Step 4: Simplify right side
    8,136x = 51,647,869.21
  5. Step 5: Solve for x
    x = 51,647,869.21/8,136
  6. Step 6: Final answer
    x = 6,348.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.