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Finding the Fourth Proportional to 6,253.97, 8,630.75 and 3,459.47

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Solution

The fourth proportional to 6,253.97, 8,630.75 and 3,459.47 is: 4,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.97 : 8,630.75 = 3,459.47 : x
  2. Step 2: Convert to fraction form
    6,253.97/8,630.75 = 3,459.47/x
  3. Step 3: Cross multiply
    6,253.97x = 8,630.75 × 3,459.47
  4. Step 4: Simplify right side
    6,253.97x = 29,857,786.20
  5. Step 5: Solve for x
    x = 29,857,786.20/6,253.97
  6. Step 6: Final answer
    x = 4,774.22

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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.