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Finding the Fourth Proportional to 41,651.60, 62,480.64 and 12,069.86

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Solution

The fourth proportional to 41,651.60, 62,480.64 and 12,069.86 is: 18,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,651.60 : 62,480.64 = 12,069.86 : x
  2. Step 2: Convert to fraction form
    41,651.60/62,480.64 = 12,069.86/x
  3. Step 3: Cross multiply
    41,651.60x = 62,480.64 × 12,069.86
  4. Step 4: Simplify right side
    41,651.60x = 754,132,577.51
  5. Step 5: Solve for x
    x = 754,132,577.51/41,651.60
  6. Step 6: Final answer
    x = 18,105.73

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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.