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Finding the Fourth Proportional to 43,754.76, 65,644.74 and 14,171.94

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Solution

The fourth proportional to 43,754.76, 65,644.74 and 14,171.94 is: 21,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,754.76 : 65,644.74 = 14,171.94 : x
  2. Step 2: Convert to fraction form
    43,754.76/65,644.74 = 14,171.94/x
  3. Step 3: Cross multiply
    43,754.76x = 65,644.74 × 14,171.94
  4. Step 4: Simplify right side
    43,754.76x = 930,313,316.60
  5. Step 5: Solve for x
    x = 930,313,316.60/43,754.76
  6. Step 6: Final answer
    x = 21,261.99

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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.