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Finding the Fourth Proportional to 17,048.80, 25,576.80 and 5,201.60

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Solution

The fourth proportional to 17,048.80, 25,576.80 and 5,201.60 is: 7,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,048.80 : 25,576.80 = 5,201.60 : x
  2. Step 2: Convert to fraction form
    17,048.80/25,576.80 = 5,201.60/x
  3. Step 3: Cross multiply
    17,048.80x = 25,576.80 × 5,201.60
  4. Step 4: Simplify right side
    17,048.80x = 133,040,282.88
  5. Step 5: Solve for x
    x = 133,040,282.88/17,048.80
  6. Step 6: Final answer
    x = 7,803.50

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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.