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Finding the Fourth Proportional to 7,659.16, 10,559.87 and 6,241.25

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Solution

The fourth proportional to 7,659.16, 10,559.87 and 6,241.25 is: 8,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.16 : 10,559.87 = 6,241.25 : x
  2. Step 2: Convert to fraction form
    7,659.16/10,559.87 = 6,241.25/x
  3. Step 3: Cross multiply
    7,659.16x = 10,559.87 × 6,241.25
  4. Step 4: Simplify right side
    7,659.16x = 65,906,807.24
  5. Step 5: Solve for x
    x = 65,906,807.24/7,659.16
  6. Step 6: Final answer
    x = 8,604.97

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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.