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Finding the Fourth Proportional to 6,262.75, 8,642.87 and 3,468.25

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Solution

The fourth proportional to 6,262.75, 8,642.87 and 3,468.25 is: 4,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.75 : 8,642.87 = 3,468.25 : x
  2. Step 2: Convert to fraction form
    6,262.75/8,642.87 = 3,468.25/x
  3. Step 3: Cross multiply
    6,262.75x = 8,642.87 × 3,468.25
  4. Step 4: Simplify right side
    6,262.75x = 29,975,633.88
  5. Step 5: Solve for x
    x = 29,975,633.88/6,262.75
  6. Step 6: Final answer
    x = 4,786.34

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Half scale
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Double scale
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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.