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Finding the Fourth Proportional to 54,009, 81,026.46 and 17,073

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Solution

The fourth proportional to 54,009, 81,026.46 and 17,073 is: 25,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,009 : 81,026.46 = 17,073 : x
  2. Step 2: Convert to fraction form
    54,009/81,026.46 = 17,073/x
  3. Step 3: Cross multiply
    54,009x = 81,026.46 × 17,073
  4. Step 4: Simplify right side
    54,009x = 1,383,364,751.58
  5. Step 5: Solve for x
    x = 1,383,364,751.58/54,009
  6. Step 6: Final answer
    x = 25,613.60

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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.