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Finding the Fourth Proportional to 6,250.62, 8,625.86 and 3,418.00

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Solution

The fourth proportional to 6,250.62, 8,625.86 and 3,418.00 is: 4,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.62 : 8,625.86 = 3,418.00 : x
  2. Step 2: Convert to fraction form
    6,250.62/8,625.86 = 3,418.00/x
  3. Step 3: Cross multiply
    6,250.62x = 8,625.86 × 3,418.00
  4. Step 4: Simplify right side
    6,250.62x = 29,483,178.29
  5. Step 5: Solve for x
    x = 29,483,178.29/6,250.62
  6. Step 6: Final answer
    x = 4,716.84

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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.