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Finding the Fourth Proportional to 6,251.76, 8,629.49 and 3,599.82

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Solution

The fourth proportional to 6,251.76, 8,629.49 and 3,599.82 is: 4,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.76 : 8,629.49 = 3,599.82 : x
  2. Step 2: Convert to fraction form
    6,251.76/8,629.49 = 3,599.82/x
  3. Step 3: Cross multiply
    6,251.76x = 8,629.49 × 3,599.82
  4. Step 4: Simplify right side
    6,251.76x = 31,064,592.69
  5. Step 5: Solve for x
    x = 31,064,592.69/6,251.76
  6. Step 6: Final answer
    x = 4,968.94

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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.