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Finding the Fourth Proportional to 6,249.25, 8,615.06 and 4,257.25

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Solution

The fourth proportional to 6,249.25, 8,615.06 and 4,257.25 is: 5,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.25 : 8,615.06 = 4,257.25 : x
  2. Step 2: Convert to fraction form
    6,249.25/8,615.06 = 4,257.25/x
  3. Step 3: Cross multiply
    6,249.25x = 8,615.06 × 4,257.25
  4. Step 4: Simplify right side
    6,249.25x = 36,676,464.19
  5. Step 5: Solve for x
    x = 36,676,464.19/6,249.25
  6. Step 6: Final answer
    x = 5,868.94

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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.