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Finding the Fourth Proportional to 6,375, 9,562.86 and 2,271

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Solution

The fourth proportional to 6,375, 9,562.86 and 2,271 is: 3,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375 : 9,562.86 = 2,271 : x
  2. Step 2: Convert to fraction form
    6,375/9,562.86 = 2,271/x
  3. Step 3: Cross multiply
    6,375x = 9,562.86 × 2,271
  4. Step 4: Simplify right side
    6,375x = 21,717,255.06
  5. Step 5: Solve for x
    x = 21,717,255.06/6,375
  6. Step 6: Final answer
    x = 3,406.63

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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.