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Finding the Fourth Proportional to 29,274.50, 43,911.76 and 10,806.50

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Solution

The fourth proportional to 29,274.50, 43,911.76 and 10,806.50 is: 16,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.50 : 43,911.76 = 10,806.50 : x
  2. Step 2: Convert to fraction form
    29,274.50/43,911.76 = 10,806.50/x
  3. Step 3: Cross multiply
    29,274.50x = 43,911.76 × 10,806.50
  4. Step 4: Simplify right side
    29,274.50x = 474,532,434.44
  5. Step 5: Solve for x
    x = 474,532,434.44/29,274.50
  6. Step 6: Final answer
    x = 16,209.75

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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.