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Finding the Fourth Proportional to 43,954.56, 65,931.12 and 10,674.90

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Solution

The fourth proportional to 43,954.56, 65,931.12 and 10,674.90 is: 16,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,954.56 : 65,931.12 = 10,674.90 : x
  2. Step 2: Convert to fraction form
    43,954.56/65,931.12 = 10,674.90/x
  3. Step 3: Cross multiply
    43,954.56x = 65,931.12 × 10,674.90
  4. Step 4: Simplify right side
    43,954.56x = 703,808,112.89
  5. Step 5: Solve for x
    x = 703,808,112.89/43,954.56
  6. Step 6: Final answer
    x = 16,012.18

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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.