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Finding the Fourth Proportional to 6,662.88, 9,192 and 4,008.96

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Solution

The fourth proportional to 6,662.88, 9,192 and 4,008.96 is: 5,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.88 : 9,192 = 4,008.96 : x
  2. Step 2: Convert to fraction form
    6,662.88/9,192 = 4,008.96/x
  3. Step 3: Cross multiply
    6,662.88x = 9,192 × 4,008.96
  4. Step 4: Simplify right side
    6,662.88x = 36,850,360.32
  5. Step 5: Solve for x
    x = 36,850,360.32/6,662.88
  6. Step 6: Final answer
    x = 5,530.70

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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.