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Finding the Fourth Proportional to 54,236.50, 81,356.19 and 17,300.50

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Solution

The fourth proportional to 54,236.50, 81,356.19 and 17,300.50 is: 25,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,236.50 : 81,356.19 = 17,300.50 : x
  2. Step 2: Convert to fraction form
    54,236.50/81,356.19 = 17,300.50/x
  3. Step 3: Cross multiply
    54,236.50x = 81,356.19 × 17,300.50
  4. Step 4: Simplify right side
    54,236.50x = 1,407,502,765.10
  5. Step 5: Solve for x
    x = 1,407,502,765.10/54,236.50
  6. Step 6: Final answer
    x = 25,951.21

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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.