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Finding the Fourth Proportional to 11,398.52, 17,099.40 and 3,606.52

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Solution

The fourth proportional to 11,398.52, 17,099.40 and 3,606.52 is: 5,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.52 : 17,099.40 = 3,606.52 : x
  2. Step 2: Convert to fraction form
    11,398.52/17,099.40 = 3,606.52/x
  3. Step 3: Cross multiply
    11,398.52x = 17,099.40 × 3,606.52
  4. Step 4: Simplify right side
    11,398.52x = 61,669,328.09
  5. Step 5: Solve for x
    x = 61,669,328.09/11,398.52
  6. Step 6: Final answer
    x = 5,410.29

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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.