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Finding the Fourth Proportional to 43,954.99, 65,936.54 and 14,372.98

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Solution

The fourth proportional to 43,954.99, 65,936.54 and 14,372.98 is: 21,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,954.99 : 65,936.54 = 14,372.98 : x
  2. Step 2: Convert to fraction form
    43,954.99/65,936.54 = 14,372.98/x
  3. Step 3: Cross multiply
    43,954.99x = 65,936.54 × 14,372.98
  4. Step 4: Simplify right side
    43,954.99x = 947,704,570.69
  5. Step 5: Solve for x
    x = 947,704,570.69/43,954.99
  6. Step 6: Final answer
    x = 21,560.80

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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.