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Finding the Fourth Proportional to 6,249.52, 8,624.30 and 3,455

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Solution

The fourth proportional to 6,249.52, 8,624.30 and 3,455 is: 4,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.52 : 8,624.30 = 3,455 : x
  2. Step 2: Convert to fraction form
    6,249.52/8,624.30 = 3,455/x
  3. Step 3: Cross multiply
    6,249.52x = 8,624.30 × 3,455
  4. Step 4: Simplify right side
    6,249.52x = 29,796,956.50
  5. Step 5: Solve for x
    x = 29,796,956.50/6,249.52
  6. Step 6: Final answer
    x = 4,767.88

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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.