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Finding the Fourth Proportional to 6,487.56, 8,951.88 and 3,654.48

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Solution

The fourth proportional to 6,487.56, 8,951.88 and 3,654.48 is: 5,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.56 : 8,951.88 = 3,654.48 : x
  2. Step 2: Convert to fraction form
    6,487.56/8,951.88 = 3,654.48/x
  3. Step 3: Cross multiply
    6,487.56x = 8,951.88 × 3,654.48
  4. Step 4: Simplify right side
    6,487.56x = 32,714,466.42
  5. Step 5: Solve for x
    x = 32,714,466.42/6,487.56
  6. Step 6: Final answer
    x = 5,042.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.