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Finding the Fourth Proportional to 6,664.71, 9,995.85 and 2,963.82

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Solution

The fourth proportional to 6,664.71, 9,995.85 and 2,963.82 is: 4,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.71 : 9,995.85 = 2,963.82 : x
  2. Step 2: Convert to fraction form
    6,664.71/9,995.85 = 2,963.82/x
  3. Step 3: Cross multiply
    6,664.71x = 9,995.85 × 2,963.82
  4. Step 4: Simplify right side
    6,664.71x = 29,625,885.33
  5. Step 5: Solve for x
    x = 29,625,885.33/6,664.71
  6. Step 6: Final answer
    x = 4,445.19

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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.