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Finding the Fourth Proportional to 18,026.71, 27,044.53 and 7,493.57

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Solution

The fourth proportional to 18,026.71, 27,044.53 and 7,493.57 is: 11,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.71 : 27,044.53 = 7,493.57 : x
  2. Step 2: Convert to fraction form
    18,026.71/27,044.53 = 7,493.57/x
  3. Step 3: Cross multiply
    18,026.71x = 27,044.53 × 7,493.57
  4. Step 4: Simplify right side
    18,026.71x = 202,660,127.55
  5. Step 5: Solve for x
    x = 202,660,127.55/18,026.71
  6. Step 6: Final answer
    x = 11,242.21

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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.