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Finding the Fourth Proportional to 43,733.76, 65,604.32 and 13,754.88

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Solution

The fourth proportional to 43,733.76, 65,604.32 and 13,754.88 is: 20,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,733.76 : 65,604.32 = 13,754.88 : x
  2. Step 2: Convert to fraction form
    43,733.76/65,604.32 = 13,754.88/x
  3. Step 3: Cross multiply
    43,733.76x = 65,604.32 × 13,754.88
  4. Step 4: Simplify right side
    43,733.76x = 902,379,549.08
  5. Step 5: Solve for x
    x = 902,379,549.08/43,733.76
  6. Step 6: Final answer
    x = 20,633.48

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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.