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Finding the Fourth Proportional to 5,654.63, 8,481.51 and 1,956.89

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Solution

The fourth proportional to 5,654.63, 8,481.51 and 1,956.89 is: 2,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.63 : 8,481.51 = 1,956.89 : x
  2. Step 2: Convert to fraction form
    5,654.63/8,481.51 = 1,956.89/x
  3. Step 3: Cross multiply
    5,654.63x = 8,481.51 × 1,956.89
  4. Step 4: Simplify right side
    5,654.63x = 16,597,339.70
  5. Step 5: Solve for x
    x = 16,597,339.70/5,654.63
  6. Step 6: Final answer
    x = 2,935.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.