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Finding the Fourth Proportional to 54,335.25, 81,502.41 and 16,895.25

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Solution

The fourth proportional to 54,335.25, 81,502.41 and 16,895.25 is: 25,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,335.25 : 81,502.41 = 16,895.25 : x
  2. Step 2: Convert to fraction form
    54,335.25/81,502.41 = 16,895.25/x
  3. Step 3: Cross multiply
    54,335.25x = 81,502.41 × 16,895.25
  4. Step 4: Simplify right side
    54,335.25x = 1,377,003,592.55
  5. Step 5: Solve for x
    x = 1,377,003,592.55/54,335.25
  6. Step 6: Final answer
    x = 25,342.73

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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.