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Finding the Fourth Proportional to 6,239.54, 9,351.03 and 3,311.54

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Solution

The fourth proportional to 6,239.54, 9,351.03 and 3,311.54 is: 4,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.54 : 9,351.03 = 3,311.54 : x
  2. Step 2: Convert to fraction form
    6,239.54/9,351.03 = 3,311.54/x
  3. Step 3: Cross multiply
    6,239.54x = 9,351.03 × 3,311.54
  4. Step 4: Simplify right side
    6,239.54x = 30,966,309.89
  5. Step 5: Solve for x
    x = 30,966,309.89/6,239.54
  6. Step 6: Final answer
    x = 4,962.92

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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.