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Finding the Fourth Proportional to 43,997.58, 65,989.69 and 14,414.76

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Solution

The fourth proportional to 43,997.58, 65,989.69 and 14,414.76 is: 21,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,997.58 : 65,989.69 = 14,414.76 : x
  2. Step 2: Convert to fraction form
    43,997.58/65,989.69 = 14,414.76/x
  3. Step 3: Cross multiply
    43,997.58x = 65,989.69 × 14,414.76
  4. Step 4: Simplify right side
    43,997.58x = 951,225,507.79
  5. Step 5: Solve for x
    x = 951,225,507.79/43,997.58
  6. Step 6: Final answer
    x = 21,619.95

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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.