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Finding the Fourth Proportional to 43,244.40, 65,012.40 and 36,829.20

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Solution

The fourth proportional to 43,244.40, 65,012.40 and 36,829.20 is: 55,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,244.40 : 65,012.40 = 36,829.20 : x
  2. Step 2: Convert to fraction form
    43,244.40/65,012.40 = 36,829.20/x
  3. Step 3: Cross multiply
    43,244.40x = 65,012.40 × 36,829.20
  4. Step 4: Simplify right side
    43,244.40x = 2,394,354,682.08
  5. Step 5: Solve for x
    x = 2,394,354,682.08/43,244.40
  6. Step 6: Final answer
    x = 55,367.97

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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.