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Finding the Fourth Proportional to 40,331.60, 60,468.60 and 22,806.80

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Solution

The fourth proportional to 40,331.60, 60,468.60 and 22,806.80 is: 34,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,331.60 : 60,468.60 = 22,806.80 : x
  2. Step 2: Convert to fraction form
    40,331.60/60,468.60 = 22,806.80/x
  3. Step 3: Cross multiply
    40,331.60x = 60,468.60 × 22,806.80
  4. Step 4: Simplify right side
    40,331.60x = 1,379,095,266.48
  5. Step 5: Solve for x
    x = 1,379,095,266.48/40,331.60
  6. Step 6: Final answer
    x = 34,193.91

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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.