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Finding the Fourth Proportional to 43,762.50, 65,659.91 and 35,406.45

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Solution

The fourth proportional to 43,762.50, 65,659.91 and 35,406.45 is: 53,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,762.50 : 65,659.91 = 35,406.45 : x
  2. Step 2: Convert to fraction form
    43,762.50/65,659.91 = 35,406.45/x
  3. Step 3: Cross multiply
    43,762.50x = 65,659.91 × 35,406.45
  4. Step 4: Simplify right side
    43,762.50x = 2,324,784,143.39
  5. Step 5: Solve for x
    x = 2,324,784,143.39/43,762.50
  6. Step 6: Final answer
    x = 53,122.75

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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.