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Finding the Fourth Proportional to 6,608.20, 9,918.78 and 5,033.56

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Solution

The fourth proportional to 6,608.20, 9,918.78 and 5,033.56 is: 7,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.20 : 9,918.78 = 5,033.56 : x
  2. Step 2: Convert to fraction form
    6,608.20/9,918.78 = 5,033.56/x
  3. Step 3: Cross multiply
    6,608.20x = 9,918.78 × 5,033.56
  4. Step 4: Simplify right side
    6,608.20x = 49,926,774.26
  5. Step 5: Solve for x
    x = 49,926,774.26/6,608.20
  6. Step 6: Final answer
    x = 7,555.28

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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.