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Finding the Fourth Proportional to 11,673.91, 17,508.03 and 3,881.71

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Solution

The fourth proportional to 11,673.91, 17,508.03 and 3,881.71 is: 5,821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.91 : 17,508.03 = 3,881.71 : x
  2. Step 2: Convert to fraction form
    11,673.91/17,508.03 = 3,881.71/x
  3. Step 3: Cross multiply
    11,673.91x = 17,508.03 × 3,881.71
  4. Step 4: Simplify right side
    11,673.91x = 67,961,095.13
  5. Step 5: Solve for x
    x = 67,961,095.13/11,673.91
  6. Step 6: Final answer
    x = 5,821.62

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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.