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Finding the Fourth Proportional to 5,499.35, 7,589.00 and 3,109.29

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Solution

The fourth proportional to 5,499.35, 7,589.00 and 3,109.29 is: 4,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.35 : 7,589.00 = 3,109.29 : x
  2. Step 2: Convert to fraction form
    5,499.35/7,589.00 = 3,109.29/x
  3. Step 3: Cross multiply
    5,499.35x = 7,589.00 × 3,109.29
  4. Step 4: Simplify right side
    5,499.35x = 23,596,381.12
  5. Step 5: Solve for x
    x = 23,596,381.12/5,499.35
  6. Step 6: Final answer
    x = 4,290.76

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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.