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Finding the Fourth Proportional to 22,148, 33,179.38 and 17,443.12

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Solution

The fourth proportional to 22,148, 33,179.38 and 17,443.12 is: 26,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148 : 33,179.38 = 17,443.12 : x
  2. Step 2: Convert to fraction form
    22,148/33,179.38 = 17,443.12/x
  3. Step 3: Cross multiply
    22,148x = 33,179.38 × 17,443.12
  4. Step 4: Simplify right side
    22,148x = 578,751,906.87
  5. Step 5: Solve for x
    x = 578,751,906.87/22,148
  6. Step 6: Final answer
    x = 26,131.11

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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.