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Finding the Fourth Proportional to 54,026.52, 81,052.72 and 17,090.52

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Solution

The fourth proportional to 54,026.52, 81,052.72 and 17,090.52 is: 25,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,026.52 : 81,052.72 = 17,090.52 : x
  2. Step 2: Convert to fraction form
    54,026.52/81,052.72 = 17,090.52/x
  3. Step 3: Cross multiply
    54,026.52x = 81,052.72 × 17,090.52
  4. Step 4: Simplify right side
    54,026.52x = 1,385,233,132.21
  5. Step 5: Solve for x
    x = 1,385,233,132.21/54,026.52
  6. Step 6: Final answer
    x = 25,639.87

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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.