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Finding the Fourth Proportional to 6,608.70, 9,119.34 and 4,249.08

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Solution

The fourth proportional to 6,608.70, 9,119.34 and 4,249.08 is: 5,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.70 : 9,119.34 = 4,249.08 : x
  2. Step 2: Convert to fraction form
    6,608.70/9,119.34 = 4,249.08/x
  3. Step 3: Cross multiply
    6,608.70x = 9,119.34 × 4,249.08
  4. Step 4: Simplify right side
    6,608.70x = 38,748,805.21
  5. Step 5: Solve for x
    x = 38,748,805.21/6,608.70
  6. Step 6: Final answer
    x = 5,863.30

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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.