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Finding the Fourth Proportional to 54,388.48, 81,545.80 and 27,668.80

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Solution

The fourth proportional to 54,388.48, 81,545.80 and 27,668.80 is: 41,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,388.48 : 81,545.80 = 27,668.80 : x
  2. Step 2: Convert to fraction form
    54,388.48/81,545.80 = 27,668.80/x
  3. Step 3: Cross multiply
    54,388.48x = 81,545.80 × 27,668.80
  4. Step 4: Simplify right side
    54,388.48x = 2,256,274,431.04
  5. Step 5: Solve for x
    x = 2,256,274,431.04/54,388.48
  6. Step 6: Final answer
    x = 41,484.42

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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.