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Finding the Fourth Proportional to 6,608.31, 9,913.98 and 3,837.30

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Solution

The fourth proportional to 6,608.31, 9,913.98 and 3,837.30 is: 5,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.31 : 9,913.98 = 3,837.30 : x
  2. Step 2: Convert to fraction form
    6,608.31/9,913.98 = 3,837.30/x
  3. Step 3: Cross multiply
    6,608.31x = 9,913.98 × 3,837.30
  4. Step 4: Simplify right side
    6,608.31x = 38,042,915.45
  5. Step 5: Solve for x
    x = 38,042,915.45/6,608.31
  6. Step 6: Final answer
    x = 5,756.83

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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.