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Finding the Fourth Proportional to 6,997.92, 9,657 and 3,854.04

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Solution

The fourth proportional to 6,997.92, 9,657 and 3,854.04 is: 5,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.92 : 9,657 = 3,854.04 : x
  2. Step 2: Convert to fraction form
    6,997.92/9,657 = 3,854.04/x
  3. Step 3: Cross multiply
    6,997.92x = 9,657 × 3,854.04
  4. Step 4: Simplify right side
    6,997.92x = 37,218,464.28
  5. Step 5: Solve for x
    x = 37,218,464.28/6,997.92
  6. Step 6: Final answer
    x = 5,318.50

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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.