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Finding the Fourth Proportional to 6,608.98, 9,118.02 and 3,774.31

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Solution

The fourth proportional to 6,608.98, 9,118.02 and 3,774.31 is: 5,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.98 : 9,118.02 = 3,774.31 : x
  2. Step 2: Convert to fraction form
    6,608.98/9,118.02 = 3,774.31/x
  3. Step 3: Cross multiply
    6,608.98x = 9,118.02 × 3,774.31
  4. Step 4: Simplify right side
    6,608.98x = 34,414,188.48
  5. Step 5: Solve for x
    x = 34,414,188.48/6,608.98
  6. Step 6: Final answer
    x = 5,207.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.