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Finding the Fourth Proportional to 43,682.76, 65,507.54 and 14,096.16

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Solution

The fourth proportional to 43,682.76, 65,507.54 and 14,096.16 is: 21,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,682.76 : 65,507.54 = 14,096.16 : x
  2. Step 2: Convert to fraction form
    43,682.76/65,507.54 = 14,096.16/x
  3. Step 3: Cross multiply
    43,682.76x = 65,507.54 × 14,096.16
  4. Step 4: Simplify right side
    43,682.76x = 923,404,694.57
  5. Step 5: Solve for x
    x = 923,404,694.57/43,682.76
  6. Step 6: Final answer
    x = 21,138.88

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1.5x scale

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.