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Finding the Fourth Proportional to 29,112.40, 43,668.60 and 9,404.49

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Solution

The fourth proportional to 29,112.40, 43,668.60 and 9,404.49 is: 14,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.40 : 43,668.60 = 9,404.49 : x
  2. Step 2: Convert to fraction form
    29,112.40/43,668.60 = 9,404.49/x
  3. Step 3: Cross multiply
    29,112.40x = 43,668.60 × 9,404.49
  4. Step 4: Simplify right side
    29,112.40x = 410,680,912.01
  5. Step 5: Solve for x
    x = 410,680,912.01/29,112.40
  6. Step 6: Final answer
    x = 14,106.74

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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.