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Finding the Fourth Proportional to 60,498.54, 90,668.97 and 30,891.42

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Solution

The fourth proportional to 60,498.54, 90,668.97 and 30,891.42 is: 46,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,498.54 : 90,668.97 = 30,891.42 : x
  2. Step 2: Convert to fraction form
    60,498.54/90,668.97 = 30,891.42/x
  3. Step 3: Cross multiply
    60,498.54x = 90,668.97 × 30,891.42
  4. Step 4: Simplify right side
    60,498.54x = 2,800,893,233.24
  5. Step 5: Solve for x
    x = 2,800,893,233.24/60,498.54
  6. Step 6: Final answer
    x = 46,296.87

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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.