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Finding the Fourth Proportional to 13,576.01, 20,375.01 and 7,004.07

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Solution

The fourth proportional to 13,576.01, 20,375.01 and 7,004.07 is: 10,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.01 : 20,375.01 = 7,004.07 : x
  2. Step 2: Convert to fraction form
    13,576.01/20,375.01 = 7,004.07/x
  3. Step 3: Cross multiply
    13,576.01x = 20,375.01 × 7,004.07
  4. Step 4: Simplify right side
    13,576.01x = 142,707,996.29
  5. Step 5: Solve for x
    x = 142,707,996.29/13,576.01
  6. Step 6: Final answer
    x = 10,511.78

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1.5x scale

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.