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Finding the Fourth Proportional to 6,283.25, 9,429.20 and 2,179.25

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Solution

The fourth proportional to 6,283.25, 9,429.20 and 2,179.25 is: 3,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.25 : 9,429.20 = 2,179.25 : x
  2. Step 2: Convert to fraction form
    6,283.25/9,429.20 = 2,179.25/x
  3. Step 3: Cross multiply
    6,283.25x = 9,429.20 × 2,179.25
  4. Step 4: Simplify right side
    6,283.25x = 20,548,573.20
  5. Step 5: Solve for x
    x = 20,548,573.20/6,283.25
  6. Step 6: Final answer
    x = 3,270.37

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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.