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Finding the Fourth Proportional to 43,577.92, 65,391.72 and 36,270.88

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Solution

The fourth proportional to 43,577.92, 65,391.72 and 36,270.88 is: 54,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.92 : 65,391.72 = 36,270.88 : x
  2. Step 2: Convert to fraction form
    43,577.92/65,391.72 = 36,270.88/x
  3. Step 3: Cross multiply
    43,577.92x = 65,391.72 × 36,270.88
  4. Step 4: Simplify right side
    43,577.92x = 2,371,815,229.11
  5. Step 5: Solve for x
    x = 2,371,815,229.11/43,577.92
  6. Step 6: Final answer
    x = 54,426.99

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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.