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Finding the Fourth Proportional to 43,021.44, 64,532.02 and 11,434.68

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Solution

The fourth proportional to 43,021.44, 64,532.02 and 11,434.68 is: 17,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,021.44 : 64,532.02 = 11,434.68 : x
  2. Step 2: Convert to fraction form
    43,021.44/64,532.02 = 11,434.68/x
  3. Step 3: Cross multiply
    43,021.44x = 64,532.02 × 11,434.68
  4. Step 4: Simplify right side
    43,021.44x = 737,902,618.62
  5. Step 5: Solve for x
    x = 737,902,618.62/43,021.44
  6. Step 6: Final answer
    x = 17,151.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.