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Finding the Fourth Proportional to 6,579.69, 9,856.51 and 3,455.01

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Solution

The fourth proportional to 6,579.69, 9,856.51 and 3,455.01 is: 5,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.69 : 9,856.51 = 3,455.01 : x
  2. Step 2: Convert to fraction form
    6,579.69/9,856.51 = 3,455.01/x
  3. Step 3: Cross multiply
    6,579.69x = 9,856.51 × 3,455.01
  4. Step 4: Simplify right side
    6,579.69x = 34,054,340.62
  5. Step 5: Solve for x
    x = 34,054,340.62/6,579.69
  6. Step 6: Final answer
    x = 5,175.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.