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Finding the Fourth Proportional to 3,773.65, 5,654.06 and 2,455.39

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Solution

The fourth proportional to 3,773.65, 5,654.06 and 2,455.39 is: 3,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.65 : 5,654.06 = 2,455.39 : x
  2. Step 2: Convert to fraction form
    3,773.65/5,654.06 = 2,455.39/x
  3. Step 3: Cross multiply
    3,773.65x = 5,654.06 × 2,455.39
  4. Step 4: Simplify right side
    3,773.65x = 13,882,910.11
  5. Step 5: Solve for x
    x = 13,882,910.11/3,773.65
  6. Step 6: Final answer
    x = 3,678.91

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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.