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Finding the Fourth Proportional to 8,338.66, 12,502.10 and 4,175.69

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Solution

The fourth proportional to 8,338.66, 12,502.10 and 4,175.69 is: 6,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.66 : 12,502.10 = 4,175.69 : x
  2. Step 2: Convert to fraction form
    8,338.66/12,502.10 = 4,175.69/x
  3. Step 3: Cross multiply
    8,338.66x = 12,502.10 × 4,175.69
  4. Step 4: Simplify right side
    8,338.66x = 52,204,841.88
  5. Step 5: Solve for x
    x = 52,204,841.88/8,338.66
  6. Step 6: Final answer
    x = 6,260.58

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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.