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Finding the Fourth Proportional to 43,794.99, 65,771.68 and 40,459.65

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Solution

The fourth proportional to 43,794.99, 65,771.68 and 40,459.65 is: 60,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,794.99 : 65,771.68 = 40,459.65 : x
  2. Step 2: Convert to fraction form
    43,794.99/65,771.68 = 40,459.65/x
  3. Step 3: Cross multiply
    43,794.99x = 65,771.68 × 40,459.65
  4. Step 4: Simplify right side
    43,794.99x = 2,661,098,804.92
  5. Step 5: Solve for x
    x = 2,661,098,804.92/43,794.99
  6. Step 6: Final answer
    x = 60,762.63

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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.