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Finding the Fourth Proportional to 43,800.80, 65,733.60 and 29,004.80

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Solution

The fourth proportional to 43,800.80, 65,733.60 and 29,004.80 is: 43,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,800.80 : 65,733.60 = 29,004.80 : x
  2. Step 2: Convert to fraction form
    43,800.80/65,733.60 = 29,004.80/x
  3. Step 3: Cross multiply
    43,800.80x = 65,733.60 × 29,004.80
  4. Step 4: Simplify right side
    43,800.80x = 1,906,589,921.28
  5. Step 5: Solve for x
    x = 1,906,589,921.28/43,800.80
  6. Step 6: Final answer
    x = 43,528.66

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1.5x scale

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.