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Finding the Fourth Proportional to 43,694.12, 65,400.18 and 22,605.11

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Solution

The fourth proportional to 43,694.12, 65,400.18 and 22,605.11 is: 33,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,694.12 : 65,400.18 = 22,605.11 : x
  2. Step 2: Convert to fraction form
    43,694.12/65,400.18 = 22,605.11/x
  3. Step 3: Cross multiply
    43,694.12x = 65,400.18 × 22,605.11
  4. Step 4: Simplify right side
    43,694.12x = 1,478,377,935.92
  5. Step 5: Solve for x
    x = 1,478,377,935.92/43,694.12
  6. Step 6: Final answer
    x = 33,834.72

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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.