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Finding the Fourth Proportional to 3,579.53, 5,369.49 and 1,114.70

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Solution

The fourth proportional to 3,579.53, 5,369.49 and 1,114.70 is: 1,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.53 : 5,369.49 = 1,114.70 : x
  2. Step 2: Convert to fraction form
    3,579.53/5,369.49 = 1,114.70/x
  3. Step 3: Cross multiply
    3,579.53x = 5,369.49 × 1,114.70
  4. Step 4: Simplify right side
    3,579.53x = 5,985,343.66
  5. Step 5: Solve for x
    x = 5,985,343.66/3,579.53
  6. Step 6: Final answer
    x = 1,672.11

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