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Finding the Fourth Proportional to 54,058.75, 81,067.47 and 25,970.80

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Solution

The fourth proportional to 54,058.75, 81,067.47 and 25,970.80 is: 38,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,058.75 : 81,067.47 = 25,970.80 : x
  2. Step 2: Convert to fraction form
    54,058.75/81,067.47 = 25,970.80/x
  3. Step 3: Cross multiply
    54,058.75x = 81,067.47 × 25,970.80
  4. Step 4: Simplify right side
    54,058.75x = 2,105,387,049.88
  5. Step 5: Solve for x
    x = 2,105,387,049.88/54,058.75
  6. Step 6: Final answer
    x = 38,946.28

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1.5x scale

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.