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Finding the Fourth Proportional to 3,773.72, 5,656.49 and 1,579.89

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Solution

The fourth proportional to 3,773.72, 5,656.49 and 1,579.89 is: 2,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.72 : 5,656.49 = 1,579.89 : x
  2. Step 2: Convert to fraction form
    3,773.72/5,656.49 = 1,579.89/x
  3. Step 3: Cross multiply
    3,773.72x = 5,656.49 × 1,579.89
  4. Step 4: Simplify right side
    3,773.72x = 8,936,651.22
  5. Step 5: Solve for x
    x = 8,936,651.22/3,773.72
  6. Step 6: Final answer
    x = 2,368.13

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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.