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Finding the Fourth Proportional to 43,452.81, 65,068.92 and 36,414.33

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Solution

The fourth proportional to 43,452.81, 65,068.92 and 36,414.33 is: 54,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,452.81 : 65,068.92 = 36,414.33 : x
  2. Step 2: Convert to fraction form
    43,452.81/65,068.92 = 36,414.33/x
  3. Step 3: Cross multiply
    43,452.81x = 65,068.92 × 36,414.33
  4. Step 4: Simplify right side
    43,452.81x = 2,369,441,125.62
  5. Step 5: Solve for x
    x = 2,369,441,125.62/43,452.81
  6. Step 6: Final answer
    x = 54,529.07

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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.