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Finding the Fourth Proportional to 41,129.70, 61,694.55 and 14,835.30

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Solution

The fourth proportional to 41,129.70, 61,694.55 and 14,835.30 is: 22,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,129.70 : 61,694.55 = 14,835.30 : x
  2. Step 2: Convert to fraction form
    41,129.70/61,694.55 = 14,835.30/x
  3. Step 3: Cross multiply
    41,129.70x = 61,694.55 × 14,835.30
  4. Step 4: Simplify right side
    41,129.70x = 915,257,157.62
  5. Step 5: Solve for x
    x = 915,257,157.62/41,129.70
  6. Step 6: Final answer
    x = 22,252.95

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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.