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Finding the Fourth Proportional to 60,067.50, 90,101.26 and 18,514.50

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Solution

The fourth proportional to 60,067.50, 90,101.26 and 18,514.50 is: 27,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,067.50 : 90,101.26 = 18,514.50 : x
  2. Step 2: Convert to fraction form
    60,067.50/90,101.26 = 18,514.50/x
  3. Step 3: Cross multiply
    60,067.50x = 90,101.26 × 18,514.50
  4. Step 4: Simplify right side
    60,067.50x = 1,668,179,778.27
  5. Step 5: Solve for x
    x = 1,668,179,778.27/60,067.50
  6. Step 6: Final answer
    x = 27,771.75

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Double scale
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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.