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Finding the Fourth Proportional to 11,872.73, 17,802.03 and 3,973.32

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Solution

The fourth proportional to 11,872.73, 17,802.03 and 3,973.32 is: 5,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.73 : 17,802.03 = 3,973.32 : x
  2. Step 2: Convert to fraction form
    11,872.73/17,802.03 = 3,973.32/x
  3. Step 3: Cross multiply
    11,872.73x = 17,802.03 × 3,973.32
  4. Step 4: Simplify right side
    11,872.73x = 70,733,161.84
  5. Step 5: Solve for x
    x = 70,733,161.84/11,872.73
  6. Step 6: Final answer
    x = 5,957.62

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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.