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Finding the Fourth Proportional to 29,229.26, 43,839.02 and 10,505.50

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Solution

The fourth proportional to 29,229.26, 43,839.02 and 10,505.50 is: 15,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,229.26 : 43,839.02 = 10,505.50 : x
  2. Step 2: Convert to fraction form
    29,229.26/43,839.02 = 10,505.50/x
  3. Step 3: Cross multiply
    29,229.26x = 43,839.02 × 10,505.50
  4. Step 4: Simplify right side
    29,229.26x = 460,550,741.28
  5. Step 5: Solve for x
    x = 460,550,741.28/29,229.26
  6. Step 6: Final answer
    x = 15,756.50

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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.