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Finding the Fourth Proportional to 60,046.92, 90,021.78 and 25,012.80

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Solution

The fourth proportional to 60,046.92, 90,021.78 and 25,012.80 is: 37,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,046.92 : 90,021.78 = 25,012.80 : x
  2. Step 2: Convert to fraction form
    60,046.92/90,021.78 = 25,012.80/x
  3. Step 3: Cross multiply
    60,046.92x = 90,021.78 × 25,012.80
  4. Step 4: Simplify right side
    60,046.92x = 2,251,696,778.78
  5. Step 5: Solve for x
    x = 2,251,696,778.78/60,046.92
  6. Step 6: Final answer
    x = 37,498.96

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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.