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Finding the Fourth Proportional to 8,248.84, 12,377.36 and 3,866.64

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Solution

The fourth proportional to 8,248.84, 12,377.36 and 3,866.64 is: 5,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.84 : 12,377.36 = 3,866.64 : x
  2. Step 2: Convert to fraction form
    8,248.84/12,377.36 = 3,866.64/x
  3. Step 3: Cross multiply
    8,248.84x = 12,377.36 × 3,866.64
  4. Step 4: Simplify right side
    8,248.84x = 47,858,736.77
  5. Step 5: Solve for x
    x = 47,858,736.77/8,248.84
  6. Step 6: Final answer
    x = 5,801.88

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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.