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Finding the Fourth Proportional to 41,645.80, 62,468.70 and 12,064.60

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Solution

The fourth proportional to 41,645.80, 62,468.70 and 12,064.60 is: 18,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,645.80 : 62,468.70 = 12,064.60 : x
  2. Step 2: Convert to fraction form
    41,645.80/62,468.70 = 12,064.60/x
  3. Step 3: Cross multiply
    41,645.80x = 62,468.70 × 12,064.60
  4. Step 4: Simplify right side
    41,645.80x = 753,659,878.02
  5. Step 5: Solve for x
    x = 753,659,878.02/41,645.80
  6. Step 6: Final answer
    x = 18,096.90

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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.