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Finding the Fourth Proportional to 6,372.64, 8,791.80 and 4,698.04

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Solution

The fourth proportional to 6,372.64, 8,791.80 and 4,698.04 is: 6,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.64 : 8,791.80 = 4,698.04 : x
  2. Step 2: Convert to fraction form
    6,372.64/8,791.80 = 4,698.04/x
  3. Step 3: Cross multiply
    6,372.64x = 8,791.80 × 4,698.04
  4. Step 4: Simplify right side
    6,372.64x = 41,304,228.07
  5. Step 5: Solve for x
    x = 41,304,228.07/6,372.64
  6. Step 6: Final answer
    x = 6,481.49

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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.