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Finding the Fourth Proportional to 17,902.22, 26,862.42 and 8,039.48

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Solution

The fourth proportional to 17,902.22, 26,862.42 and 8,039.48 is: 12,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.22 : 26,862.42 = 8,039.48 : x
  2. Step 2: Convert to fraction form
    17,902.22/26,862.42 = 8,039.48/x
  3. Step 3: Cross multiply
    17,902.22x = 26,862.42 × 8,039.48
  4. Step 4: Simplify right side
    17,902.22x = 215,959,888.34
  5. Step 5: Solve for x
    x = 215,959,888.34/17,902.22
  6. Step 6: Final answer
    x = 12,063.30

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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.