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Finding the Fourth Proportional to 6,338.66, 8,750.43 and 3,981.96

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Solution

The fourth proportional to 6,338.66, 8,750.43 and 3,981.96 is: 5,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.66 : 8,750.43 = 3,981.96 : x
  2. Step 2: Convert to fraction form
    6,338.66/8,750.43 = 3,981.96/x
  3. Step 3: Cross multiply
    6,338.66x = 8,750.43 × 3,981.96
  4. Step 4: Simplify right side
    6,338.66x = 34,843,862.24
  5. Step 5: Solve for x
    x = 34,843,862.24/6,338.66
  6. Step 6: Final answer
    x = 5,497.04

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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.